External preparation for skin

Abstract

An external preparation for skin including one or more than two types of tranexamic acid derivatives represented by the following general formula (A). GENERAL FORMULA (A) ##STR1## (In the formula (A), R.sub.1, R.sub.2 and R.sub.3 represents hydrogen atoms or substituents and at least one of these is the substituent.) The external preparation for skin including the derivatives have excellent depigmentation effect as well as skin care effect.

Description

FIELD OF THE INVENTION

The present invention relates to an external preparation for skin, and more particularly to a remarkably improved skin depigmentation agent thereof.

BACKGROUND ART

Although the mechanisms of pigmentation such as melasma. chloasma and the like in the skin are not fully understood, it is believed that a melanin pigment is formed and abnormally deposited in the skin due to a hormone abnormality and UV light irritation caused by sunlight. The above-mentioned pigmentation is generally treated by administering substances suppressing the formation of melanin. For example, Vitamin C is administered in a large amount: glutathione or a similar compound is injected; or L-ascorbic acid, kojic acid, cysteine, or a similar compound is applied to localized areas in the form of an ointment, cream, or lotion.

On the other hand, in the United Sates and Europe, hydroquinine preparations are used as pharmaceuticals.

However, the depigmentation effects of the above-mentioned compounds, except for hydroquinone, are very weak. Furthermore, although the depigmentation effects of hydroquinone on the skin are apparently recognized, the use of hydroquinone on the skin is generally limited due to its contact allergenicity.

DISCLOSURE OF THE INVENTION

Accordingly, it is an object of the present invention to eliminate the above-described problems of the prior art and to provide an external preparation for skin which has excellent depigmentation effect and high safety.

As a result of studies undertaken by the present inventors so as to attain this aim, it has been found that certain types of tranexamic acid derivatives had suppression effect of melanine generation and excellent depigmentation effect to improve the depigmentation in the skin and skin trouble. The present invention has been achieved on the basis of these findings.

In the first aspect of the present invention, there is provided an external preparation for skin including one or more than two types of tranexamic acid derivatives represented by the following general formula (A).

GENERAL FORMULA (A) ##STR2## In the general formula (A), R.sub.1, R.sub.2, and R3 represent hydrogen atom or substituents and at least one of these is the substituent.

In the first aspect of the present invention, there is provided an external preparation for skin including one or more than two types of amide derivatives of tranexamic acid and the salts thereof represented by the following general formula (B).

GENERAL FORMULA (B) ##STR3##

In the formula (B), R.sub.1 and R.sub.2 are the same or different from each other and represent a hydrogen atom, normal chain or branched alkyl group having 1-18 carbon atoms, a cycloalkyl group having 5-8 carbon atoms, benzyl group or residues having the following general formula (C). As shown in (C), X represents a lower alkyl group, a lower alkoxy group, a hydroxy group, an amino group or a halogen atom, where n=0-3).

GENERAL FORMULA (C) ##STR4##

In the third aspect of the present invention, there is provided an external preparation for the skin including one or more than two types of amide derivatives of tranexamic acid and the salts thereof represented by the following general formula (D).

GENERAL FORMULA (D) ##STR5## In the formula (D), R.sub.1 represents a hydrogen atom or a lower alkyl. R.sub.2 represents an alkyl group, a cycloalkyl group, an alkyl group, a cycloalkenyl group, a pyridyl group, or a trifluoromethyl group. In the following general formula (E), X and Y represent a hydroxy group, alkoxy group, amino group or halogen atom, respectively where m=0-3 and n=0-3). In the following general formula (F), Z represents a hydroxyl group or a lower alkoxy group where j=0-3. ##STR6##

In the forth aspect of the present invention, there is provided an external preparation for skin including one or more than two types of tranexamic acid derivatives and the salts thereof represented by the following general formula (G).

GENERAL FORMULA (G) ##STR7## In the formula (G), R represents an amino acid residue.

In the fifth aspect of the present invention, there is provided an external preparation for skin including one or more than two types of tranexamic acid derivatives and the salts thereof represented by the following general formula (H).

GENERAL FORMULA (H) ##STR8## In the formula (H), R.sub.1 and R.sub.2 are same or different from each other and represent a hydrogen atom or normal chain or branched alkyl group having 1-4 carbon atoms. Both of the R.sub.1 and R.sub.2 can not be hydrogen atom.

In the sixth aspect of the present invention, there is provided an external preparation for skin including one or more than two types of tranexamic acid derivatives and the salts thereof represented by the following general formula (I).

GENERAL FORMULA (I) ##STR9## In the formula (I), R represents a hydrogen atom or a lower alkyl group, R.sub.1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl or --(CH.sub.2).sub.n COOR.sub.2, R.sub.2 represents a hydrogen atom or a lower alkyl group and n=1-8.

In the seventh aspect of the present invention, there is provided an external preparation for skin including one or more than two types of cyclohexanecarboxylic acid derivatives and the salts thereof represented by the following general formula (J).

GENERAL FORMULA (J) ##STR10## In the formula (J), R represents a hydrogen atom, a normal chain, branched chain or cyclic alkyl group or an aralkyl group.

In the eighth aspect of the present invention, there is provided an external preparation for skin including one or more than two types of trans-4-guanidinomethylcyclohexanecarboxylic acid derivatives represented by the following general formula (K).

GENERAL FORMULA (K) ##STR11## In the formula (K), R represents a hydrogen atom, a lower alkyl group, a benzyl group, or a phenyl where n=0-2.

In the nineth aspect of the present invention, there is provided an external preparation for the skin including one or more than two types of trans-4-guanidinomethylcyclohexanecarboxylic acid derivatives and the salts thereof represented by the following general formula (L).

GENERAL FORMULA (L) ##STR12## In the formula (L), R.sub.1, R.sub.2 and R.sub.3 are same or different from each other and represent a hydrogen atom, lower alkyl group, lower alkoxy group, alkanoyl group, phenyl group, halogen atom, trihalogenomethyl group, nitro group, acetoamino group, carbamoyl group, sulfamoyl group, benzoyl group, phenoxy group, benzyloxy group, formyl group or cyano group.

In the tenth aspect of the present invention, there is provided an external preparation for the skin including one or more than two types of tranexamic acid derivatives and the salts thereof represented by the following general formula (M).

GENERAL FORMULA (M) ##STR13## In general formula (M), A represents a phenyl group, a pyridyl group, a p-isopropenylphenyl group or the residue represented by the following general formula (N).

GENERAL FORMULA (N) ##STR14## In formula (N), X.sub.1 represents a hydrogen atom, a hydroxy group or a methoxy group. X.sub.2 represents a hydrogen atom, a hydroxy group or a methoxy group. X.sub.3 represents a hydroxy group, a methoxy group, a halogen atom, a nitro group, a trifluoromethyl group, a carboxyl group or the following general formula (O).

GENERAL FORMULA (O) ##STR15## R represents a hydrogen atom, Na or an alkyl group having from 1.about.4 of carbon atoms. R.sub.1 represents a hydrogen atom or an alkyl group having from 1.about.10 of carbon atoms.

The composition of the present invention is explained in detail hereinafter.

COMPOUND GROUP 1

General Formula (B)

It is possible to synthesize the amide derivatives and the salt of tranexamic acid according to the present invention by the method described in, for example, Acta Pharm. Suecica. 7, 441 (1970). J. Med. Chem., 15, 247 (1972).

Namely, the amino group of the tranexamic acid is protected by the suitable protecting group such as, for example, benzyloxycarbonyl group. After that, an amine ingredient reacts with the protected derivatives or a reactive protected derivatives thereof. As a result, amide derivatives of the protected tranexamic acid can be obtained. As an example of the reactive protected derivatives, acyl halides such as acid chloride and bromides, or mixed acid anhydrides can be cited. After the reaction, the amide derivatives of tranexamic acid can be synthesized by removing the protecting group by, for example, catalytic reduction.

The above-described compound can be in forms of an inorganic acid salts such as salts of hydrochloric acid, sulfuric acid, phosphoric acid and hydrobromic acid or organic acid salts such as a salt of acetic acid, lactic acid, maleic acid, fumaric acid, tartaric acid, citric acid, methanesulfonic acid, and p-toluene sulfonic acid.

Preferable examples of the compound group 1 are: Trans-4-aminomethylcyclohexanecarboxamide, Trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-n-hexyl-trans-4-aminomethylcyclohexanecarboxamide, N-n-hexyl-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-n-heptyl-trans-4-aminomethylcyclohexanecarboxamide, N-n-hecptyl-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-n-butyl-trans-4-aminomethylcyclohexanecarboxamide, N-n-butyl-trans-4-aminomethylcyclohyxanecarboxamide hydrochloride, N-n-propyl-trans-4-aminomethylcyclohexanecarboxamide, N-cyclohexyl-trans-4-aminomethylcyclohexanecarboxamide, N-cyclohexyl-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N,N-dicyclohexyl-trans-4-aminomethylcyclohexanecarboxamide, N,N-dicyclohexyl-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N,N-diethyl-trans-4-aminomethylcyclohexanecarboxamide, N,N-diethyl-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-benzil-trans-4-aminomethylcyclohexanecarboxamide, N-benzil-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-(4'-methoxyphenyl) trans-4-aminomethylcyclohexanecarboxamide, N-(4'-methoxyphenyl)-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-(4'-ethoxy phenyl)-trans-4-aminomethylcyclohexanecarboxamide, N-(4'-ethoxy phenyl)-trans-4-aminomethylcyclohexanecarboxamide hydrochloride N-(2'-methyl phenyl)-trans-4-aminomethylcyclohexanecarboxamide, N-(2'-methyl phenyl)-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-(3'-methyl phenyl)-trans-4-aminomethylcyclohexanecarboxamide N-(3'-methyl phenyl)-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-(4'-chlorophenyl)-trans-4-aminomethylcyclohexanecarboxamide, N-(4'-chlorophenyl) -trans-4-aminomethylcyclohexanecarboxamide hydrochloride.

COMPOUND GROUP 2

General Formula (D)

It is possible to synthesize the amide derivatives and the salt of the tranexamic acid according to the present invention by the method described in, for example, J. Med. Chem., 15, 247(1972), JAPANESE PATENT LAID OPEN No. 48-68541. JAPANESE PATENT LAID OPEN No. 53-148536 or JAPANESE PATENT LAID OPEN No.57-59847.

The above-described compound can be in forms of inorganic salts such as sodium salt, potassium salt, ammonium salt, magnesium salt and calcium salt or organic salts such as monoethanolamine, diethanolamine and triethanolamine.

Preferable examples of the compounds are; Trans-4-acetylaminomethylcyclohexanecarboxylic acid, Trans-4-trifluoroacetylaminomethylcyclohexanecarboxylic acid, Trans-4-propionyllaminomethylcyclohexanecarboxylic acid, Trans-4-butyrylaminomethylcyclohexanecarboxylic acid, Trans-4-isobutyrylaminomethylcyclohexanecarboxylic acid, Trans-4-valerylaminomethylcyclohexancarboxylic acid, Trans-4-isovalerylaminomethylcyclohexanecarboxylic acid, Trans-4-pivaloylaminomethylcyclohexanecarboxylic acid, Trans-4-pentanoylaminomethylcyclohexanecarboxylic acid, Trans-4-hexanoylaminomethylcyclohexanecarboxylic acid, Trans-4-(2-hexenoylaminomethyl)cyclohexanecarboxylic acid, Trans-4-nonylaminomethylcyclohexanecarboxylic acid, Trans-4-(9-tetradecenoylaminomethyl)cyclohexanecarboxylic acid, Trans-4-decanoylaminomethylcyclohexanecarboxylic acid, Trans-4-palmitoylaminomethylcyclohexanecarboxylic acid, Trans-4-stearoylaminomethylcyclohexanecarboxylic acid, Trans-4-oleoylaminomethylcyclohexanecarboxylic acid, Trans-4-linoroylaminomethylcyclohexanecarboxylic acid, Trans-4-linolenoylaminomethylcyclohexanecarboxylic acid, Trans-4-(2,4,6-octatrienoylaminomethyl)cyclohexanecarboxylic acid, Trans-4-(trans-4'-n-pentylcyclohexylcarbonylaminomethyl)cyclohexane carboxylic acid, Trans-4-(trans-4'-isobutylcyclohexylcarbonylaminomethyl)cyclohexanecarboxylic acid, Trans-4-benzoylaminomethylcyclohexanecarboxylic acid, Trans-4-(3',4'-dimethoxycinnamoylaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3',40',5'-trimethoxybenzoylaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2'-aminobenzoylaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2'-amino-5'-bromobenzoylaminomethyl)cyclohexanecarboxylic acid and, Trans-4-(3'-pyridylcarbonylaminomethyl)cyclohexanecarboxylic acid.

COMPOUND GROUP 3

General Formula (G)

It is possible to synthesize the derivatives and the salt of the tranexamic acid according to the present invention by the method described in, for example, JAPANESE PATENT LAID OPEN No.57-59847. Namely the compounds can be synthesized by, for example, (1) Acyl chloride method. (2) Mixed anhydride method, and (3) Activated ester method.

The above-described compounds can be in forms of an inorganic acid salt such as salt of hydrochloric acid, sulfuric acid phosphoric acid and hydrobromic acid or an organic acid salt such as salt of acetic acid, lactic acid, maleic acid, fumaric acid, tartaric acid, citric acid and methanesulfonic acid, and p-toluene sulfonic acid, an inorganic salts such as sodium salt, potassium salt, ammonium salt, magnesium salt, and calcium salt or organic salt such as monoethanolamine, diethanolamine and triethanolamine.

Preferably examples of the compounds are; L-glycyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-seryl-trans-4-aminomethylcyclohexanecarboxylic acid, L-threonyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-cysteinyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-thyrosyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-thyrosyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-asparaginyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-glutaminyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-alanyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-valyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-leucyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-isoleucyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-prolyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-phenylalanyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-tryptophanyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-methionyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-.alpha.-aspartyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-.alpha.-glutamyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-lysyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-arginyl-trans-4-aminomethylcyclohexanecarboxylic acid, L-histidyl-trans-4-aminomethylcyclohexanecarboxylic acid and, L-ornithyl-trans-4-aminomethylcyclohexanecarboxylic acid.

COMPOUND GROUP 4

General Formula (H)

It is possible to synthesize the derivatives and the salt of the tranexamic acid according to the present invention by the method described in, for example, J. Med. Chem., 15,247(1972).

The above-described compounds can be in forms of an inorganic acid salt such as salt of hydrochloric acid, sulfuric acid, hydrobromic acid, and phosphoric acid, or an organic acid salt such as salt of acetic acid, lactic acid, maleic acid, fumaric acid, tartaric acid, citric acid, methanesulfonic acid, and p-toluene sulfonic acid, or inorganic salts such as sodium salt, potassium salt, ammonium salt, magnesium salt, and calcium salt or organic salts such as monoethanolamine, diethanolamine and triethanolamine.

Preferable examples of the compounds are: Trans-4-methylaminomethylcyclohexanecarboxylic acid, Trans-4-methylaminomethylcyclohexanecarboxylic acid hydrochloride, Trans-4-ethylaminomethylcyclohexanecarboxylic acid, Trans-4-ethylaminomethylcyclohexanecarboxylic acid hydrochloride, Trans-4-dimethylaminomethytcyclohexancarboxylic acid, Trans-4-dimethylaminomethylcyclohexanecarboxylic acid hydrochloride, Trans-4-diethylaminomethylcyclohexanecarboxylic acid, Trans-4-diethylaminomethylcyclohexanecarboxylic acid hydrochloride, Trans-4-diisobutylaminomethylcyclohexanecarboxylic acid and, Trans-4-diisobutylaminomethylcyclohexanecarboxylic acid.

COMPOUND GROUP 5

(General Formula (I))

Examples of the R group of compound group 5 include the following:

a lower alkyl group such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, n-pentyl group, isopentyl group, n-hexyl group, isohexyl group, n-heptyl group, isoheptyl group or 2-ethyl hexyl group.

Examples of the R.sub.1 group of compound group 5 include the following:

an alkyl group such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, n-pentyl group, isopentyl group, n-hexyl group, isohexyl group, n-heptyl group, isoheptyl group, 2-ethyl hexyl group;

a cycloalkyl group such as cyclopropyl group, cyclobutyl group, cyclopentyl group, cyclohexyl group, cycloheptyl group.

It is possible to synthesize the derivatives and the salt of tranexamic acid according to the present invention by method described in, for example, J. Med. Chem., 15,247 (1972) and JAPANESE PATENT LAID OPEN No.57-59852.

The above-described compounds can be in forms of inorganic salts such as sodium salt, potassium salt, ammonium salt, magnesium salt, and calcium salt or organic salts such as monoethanolamine, diethanolamine and triethanolamine.

Preferable examples of the compounds include the following: Trans-4-ureidomethylcyclohexanecarboxylic acid, Trans-4-(N'-ethylureidomethyl)cyclohexanecarboxylic acid, Trans-4-(N'-n-buty ureidomethyl)cyclohexanecarboxylic acid, Trans-4-(N'-ethoxycarbonylmethylureidmothyl)cyclohexanecarboxylic acid, Trans-4-(N'-cyclohexylureidomethyl)cyclohexanecarboxylic acid, Trans-4-(N'-phenylureidomethyl)cyclohexanecarboxylic acid, and Trans-4-(N'-2'-chlorophenylureidemethyl)cyclohexanecarboxylic acid.

COMPOUND GROUP 6

General Formula (J)

As an example of the R of the compound group 6:

a normal chain alkyl group such as methyl group, ethyl group, propyl group, butyl group, heptyl group and hexyl group,

a branched chain alkyl group such as isopropyl group, isobutyl group, isopentyl group, octane-2-yl group, heptane-2-yl group, or

a cyclic alkyl group such as cyclopentyl group, cyclohexyl group, and

an arakyl group such as benzyl group, and pyridyl.

It is possible to synthesize the cyclohexanecarboxylic acid derivatives and the salt according to the present invention by the method described in, for example. JAPANESE PATENT LAID OPEN No.57-126461.

The above-described compounds can be in form of an inorganic acid salt such as salts of hydrochloric acid, sulfuric acid hydrofromic acid, phosphoric acid, and hydrobromic acid or an organic acid salt such as salts of acetic acid, lactic acid, maleic acid, fumaric acid, tartaric acid, citric acid, methanesulfonic acid, and p-toluene sulfonic acid, or inorganic salts such as sodium salt, potassium salt, ammonium salt, magnesium salt and calcium salt or organic salts such as monoethanolamine, diethanolamine and triethanolamine.

Preferable examples of the compounds include the following: Methyltrans-4-guanidinomethylcyclohexanecarboxylate, Ethyltrans-4-guanidinomethylcyclohexanecarboxylate, Propyltrans-4-guanidinomethylcyclohexanecarboxylate, Butyltrans-4-guanidinomethylcyclohexanecarboxylate, Heptyltrans-4-guanidinomethylcyclohexanecarboxylate Isopropyltrans-4-guanidinomethylcyclohexanecarboxylate, Isobutyltrans-4-guanidinomethylcyclohexanecarboxylate, Octane-2-yl-trans-4-guanidinomethylcyclohexanecarboxylate, Heptane-2-yl-trans-4-guanidinomethylcyclohexanecarboxylate, Cyclopentyltrans-4-guanidinomethylcyclohexanecaroboxylate, Cyclohexyltrans-4-guanidinomethylcyclohexanecarboxylate, Benzyltrans-4-guanidinomethylcyclohexanecarboxylate, and 4'-pyridylmethyltrans-4-guanidinomethylcyclohexanecarboxylate.

COMPOUND GROUP 7

General Formula (K)

As examples of the R of the compound group 7, methyl group, ethyl group, propyl group, butyl group, isopropyl group, isobutyl group, and t-butyl group are cited.

It is possible to synthesize the trans-4-guanidinomethyl cyclohexanecarboxylic acid derivatives and the salt according to the present invention by the method described in, for example, JAPANESE PATENT LAID OPEN No.57-21360. JAPANESE PATENT LAID OPEN No.57-48960.

The above-described compounds can be in the form of an inorganic acid salt such as salts of hydrochloric acid, sulfuric acid, phosphoric acid, and hydrobromic acid or an organic acid salt such as salts of acetic acid, lactic acid, maleic acid, fumaric acid, tartaric acid, citric acid, methanesulfonic acid and p-toluene sulfonic acid.

Preferable examples of the compounds include the following: Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-phenoxycarbonyl phenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-phenoxycarbonyl phenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 3'-benzyloxycarbonyl phenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-benzyloxycarbonyl phenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 3'-carboxyphenylester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-ethoxy carbonyl phenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-carboxyphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 3'-methoxycarbonylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-carboxymethylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-t-butyloxycarbonylmethylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-(2-carboxyethyl)phenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-(2-ethoxycarbonyl ethyl)phenyl ester.

COMPOUND GROUP 8

General Formula (L)

Examples of the R.sub.1, R.sub.2 and R.sub.3 of the compound group 8 include:

lower alkyl group such as methyl group, ethyl group, propyl group, butyl group, isopropyl group, isobutyl group, t-butyl group;

lower alkoxy group such as methoxy group, ethoxy group, propoxy group and butoxy group;

alkanoyl group such as acetyl group, propyonil group, butyryl group; and

a halogen atom such as chlorine atom, bromine atom, iodia atom, fluorine atom.

It is possible to synthesize the trans-4-guandinomethyl-cyclohexanecarboxylic acid derivatives and the salt according to the present invention by the method described in, for example, JAPANESE PATENT LAID OPEN No. 57-16856, JAPANESE PATENT LAID OPEN No. 57-122059, JAPANESE PATENT LAID OPEN No. 57-122061, and JAPANESE PATENT LAID OPEN No. 57-122062.

The above-described compounds can be in forms of an inorganic acid salt such as salt of hydrochloric acid, sulfuric acid, hydrobromic acid, phosphoric acid, and hydrobromic acid, or an organic acid salt such as salt of acetic acid, lactic acid, maleic acid, fumaric acid, tartaric acid, citric acid, methanesulfonic acid, and p-toluene sulfonic acid.

Preferable examples of the compounds include: Trans-4-guanidinomethylcyclohexanecarboxylic acid phenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-methylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-ethylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-methoxyphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-methoxyphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-ethoxyphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-acetylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-acetylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-phenylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-phenylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-chlorophenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-chlorophenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-bromophenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-iodinephenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 3',4'-dichlorophenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2',4',6'-trichlorophenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 3'-trifluoromethylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-nitrophenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-acetoaminophenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-sulfamoylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-benzoylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-phenoxylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-benzyloxyphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-formylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-formylphenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-cyanophenyl ester, Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-cyanophenyl ester, and Trans-4-guanidinomethylcyclohexanecarboxylic acid 2'-isopropyl-4'-chloro-5'-methylphenyl ester.

COMPOUND GROUP 9

General Formula (M)

An example of the A of the compound group 9 includes a pyridyl group such as 2-pyridyl group, 3-pyridyl group, 4-pyridyl group.

An example of the X.sub.3 includes a halogen atom such as chlorine atom, bromine atom, iodine atom and a fluorine atom are cited.

It is possible to synthesize the cyclohexanececarboxylic acid derivatives and the salt according to the present invention by the method described in, for example, JAPANESE PATENT PUBLISH No. 63-12055, JAPANESE PATENT PUBLISH No. 63-46736. JAPANESE PATENT LAID OPEN No. 57-116035, and JAPANESE PATENT LAID OPEN No. 57-140714.

Preferable examples of the compounds are Trans-4-benzylideneaminomethylcyclohexanecarboxylic acid, Trans-4-(2'-nitrobenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3'-nitrobenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(4'-nitrobenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2'-hydroxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3'-hydroxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(4'-hydroxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2'-methoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3'-methoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(4'-methoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3'-carboxy-4'-hydroxy-benzylidene-aminomethyl)cyclohexanecarboxylic acid, Trans-4-(3',4',5'-trimethoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3',4',5'-trihydroxybenzylidenaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3',4'-dimethoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2',3'-dimethoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2',4'-dimethoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2',5'-dimethoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3',5'-dimethoxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3',4'-dihydroxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2',3'-dihydroxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2',4'-dihydroxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2',5'-dihydroxybenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3',5'-dihydroxybenzylideneaminomethyl)cycloyyhexanecarboxylic acid. Trans-4-(4'-chlorobenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(2'-chlorobenzylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(3'-trifluoromethylbenzylideneaminomethyl)cyclohexane carboxylic acid, Trans-4-(3'-pyridylmethylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(4'-pyridylmethylideneaminomethyl)cyclohexanecarboxylic acid, Trans-4-(4'-isopropenylbenzylideneaminomethyl)cyclohexanecarboxylic acid, and Trans-4-(3',4'-dihydroxybenzylideneaminomethyl)cyclohexanecarboxylic acid ethyl ester.

The external preparation for the skin according to the present invention contains one or more than two types of the derivatives of tranexamic acid. The content of the derivatives is from 0.001 to 20 weight % in the total amount of external preparation, and more preferably from 0.01 to 7 weight %. If the content is less than 0.001 weight %, it is difficult to obtain the depigmentation effect and the skin care effect. Also, even if the content is more than 20 weight %, the further improvement might not be obtained.

It is possible to add other ingredients which can be generally used for an external preparation for the skin such as cosmetics and medical supplies to the external preparation for the skin according to the present invention. For example, it is possible to add oil, an ultraviolet ray absorbent, an antioxidant. a surface-active agent, a moisture agent, a perfume, water, alcohol, a thickener, a color agent, and a skin nutrition agent (tocopherol acetate, pantothenyl ethyl ether, salt of glycyrrhizic acid).

EXAMPLES

The composition of tile present invention is explained in detail by the following examples. It should be noted that the present invention is not limited by these examples. The content is expressed by weight %.

The examination methods carried out in these examples are explained before the description of the examples.

COMPOUND GROUP 1

(1) Depigmentation Effect

Preparation of Sample

Lotions were prepared by the following formula, using each sample. Namely, the alcohol phase and aqueous phase according to the following foumula were prepared respectively, and both phases were mixed and dissolved according to an ordinal method.

______________________________________ Weight %______________________________________Alcohol phase95% ethyl alcohol 25.0Polyoxyethylene (25 moles) hydrogenated castor oil ether 2.0Antioxidant and antiseptic q.s.Perfume q.s.Composition (TABLE 1) 1.0Aqueous phase:Glyercol 5.0Sodium hexametaphosphate q.s.Ion exchanged water balance______________________________________

Examination Method

10 subjects for each group were disposed under sunlight in the summer for 4 hours (2 hours.times.2 days). The lotion was applied to the skin of the medial brachia once each morning and once in the evening for 5 days after the day exposed to the sun light for 8 weeks. After the application period, the depression of the pigmentation effect, which was caused by the sun light irradiation, was examined and evaluated the degree based on the following standard.

Standard

.circleincircle.: The number of the subjects who judged the result was "extremely effective" or "effective" were equal to or more than 80%

.largecircle.: The number of the subjects who judged the result was "extremely effective" or "effective" were from 50% to 80% .DELTA.: The number of the subjects who judged the result was "extremely effective" or "effective" were from 30 to 50% .times.: The number of the subjects who judged the result was "extremely effective" or "effective" were less than 30%.

The results are shown in TABLE 1.

TABLE 1______________________________________ DEPIGMENTATION COMPOUND EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 1 N-n-hexyl-trans-4-amino- .circleincircle. methyl cyclohexane- carboxamide hydrochlorideEXAMPLE 2 Trans-4-aminomethylcyclo- .circleincircle. hexane carboxamideEXAMPLE 3 N-(p-methoxy)phenyl-trans-4- .circleincircle. aminomethylcyclohexane- carboxamide______________________________________

As is clear from the TABLE 1, the external preparation for the skin according to Examples 1 to 3 could suppress deposition of melanic pigment and, therefore, prevent suntan.

(2) Skin Care Effect

The external preparation for skin according to the Examples 1 to 3 were applied to the left half of the faces of the subjects, and the preparation according to comparison 1 was applied to the right half of the faces of the subjects after washing the faces every morning and night for two weeks. One group of subjects included 10 women and 3 group of subjects were examined.

The results of the examination were evaluated and the degree based on the following standard for moisturising effect, texture of skin surface. and maintenance of moisturising effect.

Standard

.circleincircle.: The number of the subjects who judged the result was "extremely effective" or "effective" were equal to or more than 80%

.largecircle.: The number of the subjects who judged the result was "extremely effective" or "effective" were from 50% to 80% .DELTA.: The number of the subjects who judged the result was "extremely effective" or "effective" were from 30% to 50% .times.: The number of the subjects who judged the result was "extremely effective" or "effective" were less than 30%.

The results are shown in TABLE 2.

TABLE 2______________________________________ moisturising texture of skin maintenance of effect surface moisturising effect______________________________________COMPARISON 1 x x xEXAMPLE 1 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 2 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 3 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 2, the external preparation for the skin according to Examples 1 to 3 had excellent skin care effect.

______________________________________EXAMPLE 4 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine monostearate 3.0Propylene glycol 10.0Trans-4-aminomethylcyclohexanecarboxamide 20.0Caustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The propylene glycol and caustic potash were added to the ion exchanged water, dissolved and heated to 70.degree. C. (Aqueous phase). The other ingredients were mixed, heated, melted and kept at 70.degree. C. (Oil phase). The oil phase was added to the aqueous phase gradually. After addition of the oil phase, the temperature was kept constant and the reaction completed. The system was uniformly emulsified with the homomixer and cooled to 30.degree. C. under stirring conditions.

______________________________________EXAMPLE 5 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanemonostearate 1.5Propylene glycol 10.0N-n-hexyl-trans-4-aminomethylcyclohexanecarboxamide 7.0hydrochlorideGlycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The propylene glycol was added to the ion exchanged water, dissolved and heated to 70.degree. C. (Aqueous phase). The other ingredients were mixed, heated, melted and kept at 70.degree. C. (Oil phase). The oil phase was added to the aqueous phase and preemulsified. The system was uniformly emulsified with the homomixer and cooled to 30.degree. C. under stirring conditions.

______________________________________EXAMPLE 6 CREAM weight %______________________________________Stearyl alcohol 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodesylalcohol 6.0Polyoxyethylene (25 moles) cetylalcohol ether 3.0Glycerinemonostearate 2.0Propylene glycol 5.0N-n-propyl-trans-4-aminomethylcyclohexanecarboxamide 0.005Perfume q.s.Sodiumm hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The propylene glycol was added to the ion exchanged water, dissolved and heated to 70.degree. C. (Aqueous phase). The other ingredients were mixed, heated, melted and kept at 70.degree. C. (Oil phase). The oil phase was added to the aqueous phase and preemulsified. The system was uniformly emulsified with the homomixer and cooled to 30.degree. C. under stirring conditions.

______________________________________EXAMPLE 7 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0N-benzil-trans-4-aminomethylcyclohexanecarboxamide 10.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The carboxyvinyl polymer was dissolved in a part of the ion exchanged water (A phase). The polyethylene glycol 1500 and the triethanolamine were added to the other part of the ion exchanged water, dissolved, heated and kept at 70.degree. C. (aqueous phase). The other agents were mixed, heated, melted and kept at 70.degree. C. (Oil phase). The oil phase was added to the aqueous phase and preemulsified. The system was uniformly emulsified with the homomixer and cooled to 30.degree. C. under stirring conditions.

______________________________________EXAMPLE 8 MILKY LOTION weight %______________________________________Oil phase:Stearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (60 moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1N-(p-methoxy)phenyl-1-trans-4-aminomethyl- 1.0cyclohexanecarboxamideTrans-4-aminomethylcyclohexanecarboxamide 1.0hydrochloridePerfume q.s.Aqueous phase:Sodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The oil phase agents were dissolved at 70.degree. C. The aqueous phase agents were dissolved at 70.degree. C. The oil phase was added to the aqueous phase and the system was uniformly emulsified with the homomixer and cooled to 30.degree. C. with a heat exchanger.

______________________________________EXAMPLE 9 JELLY weight %______________________________________95% ethyl alcohol 10.0Dipropyleneglycol 15.0Polyoxyethylene (50 moles) oleylalcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1N,N-diethyl-trans-4-aminomethylcyclohexanecarboxamide 1.0hydrochlorideN-1-napthyl-trans-4-aminomethylcyclohexanecarboxamide 1.04-hydroxybenzoic acid methylester 0.2Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The carboxyvinyl polymer was uniformly dissolved in the ion exchanged water. The N,N-diethyl-trans-4-aminomethylcyclohexanecarboxamide hydrochloride, N-1-naphthyl-trans-4-aminomethylcyclohexanecarboxamide, polyoxyethylene (50 moles) oleyl alcohol ether were dissolved in the 95% ethanol. The ethanol phase was added to the aqueous phase and the other ingredients were added. The system was neutralized and thicked by the caustic soda and L-arginine.

______________________________________EXAMPLE 10 LOTION weight %______________________________________A phase:Ethanol (95%) 10.0Poloxyethylene (20 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethylether 0.1Trans-4-aminomethylcyclohexanecarboxamide 0.05hydrochlorideB phase: 0.1Potassium hydroxideC phase:Glycerol 5.0Dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The A phase, B phase and C phase were uniformly dissolved, respectively. The A phase was dissolved in the C phase, the B phase was added and the system was packed.

______________________________________EXAMPLE 11 PACK weight %______________________________________A phase:Dipropyleneglycol 5.0Polyoxyethylene (60 moles) hydrogenated castor oil 5.0B phase:N-n-butyl-trans-4-aminomethylcyclohexanecarboxamide 1.0hydrochlorideTrans-4-aminomethylcyclohexanecarboxamide 1.0hydrochlorideOlive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2Perfume 0.2C phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90, degree of polymerization 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The A phase, B phase and C phase were uniformly dissolved, respectively. The B phase was dissolved in the A phase, and the C phase was added and the system was packed.

The external preparation for the skin according to Examples 4 to 11 had excellent depigmentation effect as well as skin care effects.

COMPOUND GROUP 2

(1) Depigmentation Effect

The depigmentation effect of the compound group 2 was examined according to the method described above.

The results are shown in TABLE 3.

TABLE 3______________________________________ DEPIGMENTATION COMPOUND EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 12 Trans-4-(trans-4'-isobutyl- .circleincircle. cyclohexylcarbonylamino- methyl) cyclohexane carboxylic acidEXAMPLE 13 Sodium trans-4-oleoylamino- .circleincircle. methylcyclohexane carboxylic acidEXAMPLE 14 Trans-4-(3',4'-dimethoxy- .circleincircle. cinnamoylaminomethyl) cyclohexanecarboxylic acid______________________________________

As is clear from TABLE 3. the external preparation for the skin according to Examples 12 to 14 could also suppress deposition of melanoic pigment and suntan.

(2) Skin Care Effect

The skin care effect of the compound group 2 was examined according to the method described above.

The results are shown in TABLE 4.

TABLE 4______________________________________ moisturising texture of skin maintenance of effect surface moisturising effect______________________________________COMPARISON 1 x x xEXAMPLE 12 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 13 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 14 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 4, the external preparation for skin according to Examples 12 to 14 had excellent skin care effect.

______________________________________EXAMPLE 15 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine mono stearate 3.0Propylene glycol 10.0Trans-4-acetylaminomethylcyclohexanecarboxylic acid 20.0Caustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 4.

______________________________________EXAMPLE 16 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanmonostearate 1.5Propylene glycol 10.0Trans-4-palmitoylaminomethylcyclohexanecarboxylic 7.0acidGlycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 5.

______________________________________EXAMPLE 17 CREAM weight %______________________________________Stearyl alcohol 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodecylalcohol 6.0Polyoxyethylene (25 moles) cetylalcohol ether 3.0Glycerinemonostearate 2.0Propylene glycol 5.0Trans-4-(2'-aminobenzoylaminomethyl) 0.005cyclohexanecarboxylic acidPerfume q.s.Sodium hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 6.

______________________________________EXAMPLE 18 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0Trans-4-bezoylaminomethylcyclohexanecarboxylic acid 10.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 7.

______________________________________EXAMPLE 19 MILKY LOTION weight %______________________________________Oil phaseStearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (60 moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1Trans-4-decanoylaminomethycyclohexanecarboxylic acid 1.0cyclohexanecarboxylic acidTrans-4-decanoylaminomethylcyclohexanecarboxylic acid 1.0Perfume q.s.Aqueous phaseSodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 8.

______________________________________EXAMPLE 20 JELLY weight %______________________________________95% ethyl alcohol 10.0Dipropyleneglycol 15.0Polyxoyethylene (50 moles) oleylalcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1Trans-4-trifluoroacetylcyclohexanecarboxylic acid 1.0Sodium trans-4-linoleylaminomethylcyclohexanecarboxylic 1.0acid4-hydroxybenzoic acid methylester 0.2Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 9.

______________________________________EXAMPLE 21 LOTION weight %______________________________________A phase:Ethanol (95%) 10.0Polyoxyethylene (20 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethylether 0.1Trans-4-(3'-pyridylcarbonylaminomethyl)cyclohexane 0.05carboxylic acidB phase: 0.1Potassium hydroxideC phase:Glycerol 5.0dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 10.

______________________________________EXAMPLE 22 PACK weight %______________________________________A phase:Dipropyleneglycol 5.0Polyoxyethylene (60 moles) hydrogenated castor oil 5.0B phase:Sodium trans-4-(2',4',6'-octatrienoylaminomethyl)cyclohexane 1.0carboxylic acidTrans-4-trifluoroacetylaminomethylcyclohexane 1.0carboxylic acidOlive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2Perfume 0.2C phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90, degree of polymerization 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 11.

COMPOUND GROUP 3

(1) Depigmentation Effect

The depigmentation effect of the compound group 3 was examined according to the method described above.

The results are shown in TABLE 5.

TABLE 5______________________________________ DEPIGMENTATION COMPOUND EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 23 L-alanyl-trans-4-aminomethyl .circleincircle. cyclohexanecarboxylic acidEXAMPLE 24 L-varyl-aminomethylcyclo- .circleincircle. hexane carboxylic acidEXAMPLE 25 L-threonyl-trans-4-amino- .circleincircle. methyl cyclohexane- carboxylic acid______________________________________

As is clear from TABLE 5, the external preparation for the skin according to Examples 23 to 25 could also suppress deposition of melanoic pigment and suntan.

(2) Skin Care Effect

The skin care effect of the compound group 3 was examined according to the method described above.

The results are shown in TABLE 6.

TABLE 6______________________________________ moisturising texture of skin maintenance of effect surface moisturising effect______________________________________COMPARISON 1 x x xEXAMPLE 23 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 24 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 25 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 6, the external preparation for the skin according to Examples 23 to 25 had excellent skin care effect.

______________________________________EXAMPLE 26 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine monostearate 3.0Propylene glycol 10.0L-leucyl-trans-4-aminomethylcyclohexanecarboxylic acid 20.0Caustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion echanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 4.

______________________________________EXAMPLE 27 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanemonostearate 1.5Propylene glycol 10.0L-alanyl-trans-4-aminomethylcyclohexanecarboxylic acid 7.0Glycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared the same method described in the explanation of example 5.

______________________________________EXAMPLE 28 CREAM weight %______________________________________Stearyl alcohol 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodesylalcohol 6.0Polyxoyethylene (25 moles) cetylalcohol ether 3.0Glycerinemonostearate 2.0Propylene glycol 5.0L-valyl-trans-4-aminomethylcyclohexanecarboxylic acid 0.005Perfume q.s.Sodium hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 6.

______________________________________EXAMPLE 29 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0L-glycyl-trans-4-aminomethylcyclohexanecarboxylic acid 10.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 7.

______________________________________EXAMPLE 30 MILKY LOTION weight %______________________________________Oil phase:Stearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (60 moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1L-phenylalanyl-trans-4-aminomethylcyclohexane 1.0carboxylic acidL-isoleusyl-trans-4-aminomethylcyclohexane 1.0carboxylic acid hydrochloridePerfume q.s.Aqueous phase:Sodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 8.

______________________________________EXAMPLE 31 JELLY weight %______________________________________95% ethyl alcohol 10.0Dipropyleneglycol 15.0Polyoxyethylene (50 moles) oleylalcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1L-seryl-trans-4-aminomethylcyclohexane 1.0carboxylic acid hydrochlorideL-tyrosyl-trans-4-aminomethylcyclohexanecarboxylic acid 1.04-hydroxybenzoic acid methylester 0.2Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 9.

______________________________________EXAMPLE 32 LOTION weight %______________________________________A phase:Ethanol (95%) 10.0Polyoxyethylene (20 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethyl ether 0.1L-lysyl-trans-4-aminomethylcyclohexanecarboxylic acid 0.05B phase: 0.1Potassium hydroxideC phase:Glycerol 5.0Dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 10.

______________________________________EXAMPLE 33 PACK weight %______________________________________A phase:Dipropyleneglycol 5.0Polyoxyethylene (60 moles) hydrogenated castor oil 5.0B phase:L-asparaginyl-trans-4-aminomethylcyclohexane 1.0carboxylic acidL-glutamyl-trans-4-aminomethylcyclohexanecarboxylic acid 1.0Olive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2Perfume 0.2C phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90, degree of polymerization 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 11.

COMPOUND GROUP 4

(1) Depigmentation Effect

The depigmentation effect of the compound group 3 was examined according to the method described above.

The results are shown in TABLE 7.

TABLE 7______________________________________ DEPIGMENTATION COMPOUND EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 34 Trans-4-ethylaminomethyl .circleincircle. cyclohexanecarboxylic acid hydrochlorideEXAMPLE 35 Trans-4-diethylaminomethyl- .circleincircle. cyclohexane carboxylic acidEXAMPLE 36 Trans-4-diisobutylamino- .circleincircle. methyl cyclohexanecarboxylic acid hydrochloride______________________________________

As is clear from TABLE 7, the external preparation for the skin according to the Examples 34 to 36 could also suppress deposition of melanoic pigment and suntan.

(2) Skin Care Effect

The skin care effect of the compound group 3 was examined according to the method described above.

The results are shown in TABLE 8.

TABLE 8______________________________________ moisturising texture of skin maintenance of effect surface moisturising effect______________________________________COMPARISON 1 x x xEXAMPLE 34 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 35 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 36 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 8, the external preparation for the skin according to the Examples 34 to 36 had excellent skin care effect.

______________________________________EXAMPLE 37 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine mono stearate 3.0Propylene glycol 10.0Trans-4-methylaminomethylcyclohexanecarboxylic acid 20.0hydrochlorideCaustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 4.

______________________________________EXAMPLE 38 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanemonostearate 1.5Propylene glycol 10.0Trans-4-methylaminomethylcyclohexanecarboxylic acid 7.0Glycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 5.

______________________________________EXAMPLE 39 CREAM weight %______________________________________Stearyl alcohol 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodesylalcohol 6.0Polyoxyethylene (25 moles) cetyl alcohol ether 3.0Glycerinemonostearate 2.0Propylene glycol 5.0Trans-4-ethylaminomethylcyclohexanecarboxylic acid 0.005Perfume q.s.Sodium hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 6.

______________________________________EXAMPLE 29 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0Trans-4-dimethylaminomethylcyclohexanecarboxylic acid 10.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 7.

______________________________________EXAMPLE 41 MILKY LOTION weight %______________________________________Oil Phase:Stearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (60 moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1Trans-4-diethylaminomethylcyclohexane 1.0carboxylic acid hydrochlorideTrans-4-ethylaminomethylcyclohexanecarboxylic acid 1.0Perfume q.s.Aqueous Phase:Sodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 8.

______________________________________EXAMPLE 42 JELLY weight %______________________________________95% ethyl alcohol 10.0Dipropyleneglycol 15.0Polyoxyethylene (50 moles) oleyl alcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1Trans-4-methylaminomethylcyclohexane 1.0carboxylic acid hydrochlorideTrans-4-dimethylaminomethylcyclohexane 1.0carboxylic acid4-hydroxybenzoic acid methylester 0.2Perfume q.s.Ion echanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 9.

______________________________________EXAMPLE 43 LOTION weight %______________________________________A Phase:Ethanol (95%) 10.0Polyoxyethylene (20 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethyl ether 0.1Trans-4-diethylaminomethylcyclohexanecarboxylic acid 0.05hydrochlorideB Phase: 0.1Potassium hydroxideC Phase:Glycerol 5.0Dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 10.

______________________________________EXAMPLE 44 PACK weight %______________________________________A Phase:Dipropyleneglycol 5.0Polyoxyethylene (60 moles) hydrogenated castor oil 5.0B Phase:Trans-4-dimethylaminomethylcyclohexane 1.0carboxylic acid hydrochlorideTrans-4-diethylaminomethylcyclohexane 1.0carboxylic acid hydrochlorideOlive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2Perfume 0.2C Phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90, degree of polymerization 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 11.

COMPOUND GROUP 5

(1) Depigmentation Effect

The depigmentation effect of the compound group 5 was examined according to the method described above.

The result is shown in TABLE 9.

TABLE 9______________________________________ DEPIGMENTATION COMPOUND EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 45 Trans-4-ureidomethyl .circleincircle. cyclohexanecarboxylic acidEXAMPLE 46 Trans-4-(N'-ethylureido- .circleincircle. methyl) cyclohexane carboxylic acidEXAMPLE 47 Trans-4-(N'-cyclohexylureido- .circleincircle. methyl) cyclohexane- carboxylic acid______________________________________

As is clear from TABLE 9, the external preparation for the skin according to the Examples 45 to 47 could also suppress deposition of melanoic pigment and suntan.

(2) Skin Care Effect

The skin care effect of the compound group 3 was examined according to the method described above.

The results are shown in TABLE 10.

TABLE 10______________________________________ moisturising texture of skin maintenance of effect surface moisturising effect______________________________________COMPARISON 1 x x xEXAMPLE 45 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 46 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 47 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 10, the external preparation for the skin according to Examples 45 to 47 had excellent skin care effect.

______________________________________EXAMPLE 48 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine mono stearate 3.0Propylene glycol 10.0Trans-4-(N'-n-butylureidomethyl)cyclohexane 20.0carboxylic acidCaustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described In the explanation of example 4.

______________________________________EXAMPLE 49 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanemonostearate 1.5Propylene glycol 10.0Trans-4-(N'-ethoxycarbonylmethylureidomethyl) 7.0cyclohexanecarboxylic acidGlycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensuifite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 5.

______________________________________EXAMPLE 50 CREAM weight %______________________________________Stearyl alcoho1 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodesylalcohol 6.0Polyoxyethylene (25 moles) cetyl alcohol ether 3.0G1ycerinemonostearate 2.0Propylene glycol 5.0Trans-4-(N'-phenylureidomethyl) 0.005cyclohexanecarboxylic acidPerfume q.s.Sodium hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 6.

______________________________________EXAMPLE 51 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0Trans-4-(N'-2'-chlorophenylureidomethyl) 10.0cyclohexanecarboxylic acidSodium hydrogensulfite 0.01Ethylparaben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 7.

______________________________________EXAMPLE 52 MILKY LOTION weight %______________________________________Oil phase:Stearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (6O moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1Trans-4-ureidomethylcyclohexanecarboxylic acid 1.0Trans-4-(N'-ethylureidomethyl)cyclohexanecarboxylic acid 1.0Perfume q.s.(Aqueous phase)Sodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 8.

______________________________________EXAMPLE 53 JELLY weight %______________________________________95% ethyl alcohol 10.0Propyleneglycol 15.0Polyoxyethylene (50 moles) oleyl alcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1Trans-4-(N'-n-butylureidomethyl)cyclohexane 1.0carboxylic acidTrans-4-(N'-ethoxycarbonylmethylureidomethyl) 1.0cyclohexanecarboxylic acid4-hydroxybenzoic acid methylester 0.2Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to tim present example was prepared by the same method described in the explanation of example 9.

______________________________________EXAMPLE 54 LOTION weight %______________________________________A phase:Ethanol (95%) 10.0Polyoxyethylene (50 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethyl ether 0.1Trans-4-(N'-cyclohexylureidomethyl)cyclohexane 0.05carboxylic acidB phase: 0.1Potassium hydroxideC phase:Glycerol 5.0Dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 10.

______________________________________EXAMPLE 55 PACK weight %______________________________________A phase:Dipropyleneglycol 5.0Polyoxyethylene (60 moles) hydrogenated castor oil 5.0B phase:Trans-4-(N'-phenylureidomethyl) 1.0cyclohexanecarboxylic acidTrans-4-(N'-2'-chlorophenylureidomethyl)cyclohexane 1.0carboxylic acidOlive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2Perfume 0.2C phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90, degree of polymerization 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 11.

COMPOUND GROUP 6

(1) Depigmentation Effect

The depigmentation effect of the compound group 6 was examined according to the method described above.

The result is shown in TABLE 11.

TABLE 11______________________________________ DEPIGMENTATION COMPOUN EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 56 Trans-4-guanidinomethyl .circleincircle. cyclohexanecarboxylicacidEXAMPLE 57 Ethyltrans-4-guanidinomethyl .circleincircle. cyclohexanecarboxylate hydrochlorideEXAMPLE 58 Octane-2-yl-trans-4-guani- .circleincircle. dinomethyl cyclohexane- carboxylate hydrochloride______________________________________

As is clear from TABLE 11, the external preparation for the skin according to Examples 56 to 58 could also suppress deposition of melanoic pigment and suntan.

(2) Skin Care Effect

The skin care effect of the compound group 6 was examined according to the method described above.

The results are shown in TABLE 12.

TABLE 12______________________________________ moisturising texture of skin maintenance of effect surface moisturising effect______________________________________COMPARISON 1 x x xEXAMPLE 56 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 57 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 58 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 12, the external preparation for the skin according to Examples 56 to 58 had excellent skin care effect.

______________________________________EXAMPLE 59 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine mono stearate 3.0Propylene glycol 10.0Benzyltrans-4-guanidinomethylcyclohexane 20.0carboxylate hydrochorideCaustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 4.

______________________________________EXAMPLE 60 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanemonostearate 1.5Propylene glycol 10.04'-pyridylmethyltrans-4-guanidinomethyl 7.0cyclohexanecarboxylate hydrochlorideGlycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged waer balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 5.

______________________________________EXAMPLE 61 CREAM weight %______________________________________Stearyl alcohol 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodesylalcohol 6.0Polyoxyethylene (25 moles) cetyl alcohol ether 3.0Glycerinemonostearate 2.0Propylene glycol 5.0Cyclohexyltrans-4-guanidinomethyl 0.005cyclohexanecarboxylate hydrochloridePerfume q.s.Sodium hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 6.

______________________________________EXAMPLE 62 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 10.0hydrochlorideSodium hydrogensulfite 0.01Ethylparaben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 7.

______________________________________EXAMPLE 63 MILKY LOTION weight %______________________________________Oil phase:Stearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (60 moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1Ethyltrans-4-guanidinomethylcyclohexanecarboxylate 1.0hydrochlorideBenzyltrans-4-guanidinomethylcyclohexanecarboxylate 1.0hydrochloridePerfume q.s.Aqueous phase:Sodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 8.

______________________________________EXAMPLE 64 JELLY weight %______________________________________95% ethyl alcohol 10.0Dipropyleneglycol 15.0Polyoxyethylene (50 moles) oleylalcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1Octan-2-yl-trans-4-guanidinomethylcyclohexane 1.0carboxylate hydrochlorideCyclohexyltrans-4-guanidinomethyl 1.0cyclohexanecarboxylate hydrochloride4-hydroxybenzoic acid methylester 0.2perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 9.

______________________________________EXAMPLE 65 LOTION weight %______________________________________A phase:Ethanol (95%) 10.0Polyoxyethylene (20 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethyl ether 0.1Ethyltrans-4-guanidinomethylcyclohexane 0.05carboxylate hydrochlorideB phase: 0.1Potassium hydroxideC phase:Glycerol 5.0Dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 10.

______________________________________EXAMPLE 66 PACK weight %______________________________________A phase:Dipropyleneglycol 5.0Polyoxyethylene (60 moles) hydrogenated castor oil 5.0B phase:Ethyltrans-4-guanidinomethyl 1.0cyclohexanecarboxylate hydrochlorideTrans-4-guanidinomethylcyclohexane 1.0carboxylic acid hydrochlorideOlive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2C phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90, degree of polymerization 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 11.

COMPOUND GROUP 7

(1) Depigmentation

The depigmentation effect of the compound group 7 was examined according to the method described above.

The result is shown in TABLE 13.

TABLE 13______________________________________ DEPIGMENTATION COMPOUND EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 67 Trans-4-guanidinomethyl- .circleincircle. cyclohexanecarboxylic acid 3'-carboxyphenyl ester hydrochlorideEXAMPLE 68 Trans-4-guanidinomethyl- .circleincircle. cyclohexanecarboxylic acid 4'-phenoxycarbonylphenyl- ester hydrochlorideEXkMPLE 69 Trans-4-guanidinomethyl- .circleincircle. cyclohexanecarboxylic acid 4'-ethoxycarbonylphenyl- ester hydrochloride______________________________________

As is clear from TABLE 13, the external preparation for the skin according to Examples 67 to 69 could also suppress deposition of melanoic pigment and suntan.

(2) Skin Care Effect

The skin care effect of the compound group 7 was examined according to the method described above.

The results are shown in TABLE 14.

TABLE 14______________________________________ moisturising texture of skin maintenance of effect surface moisturising effect______________________________________COMPARISON 1 x x xEXAMPLE 67 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 68 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 69 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 14, the external preparation for the skin according to Examples 67 to 69 had excellent skin care effect.

______________________________________EXAMPLE 70 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine monostearate 3.0Propylene glycol 10.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 20.03'-Benzyloxycarbonylphenylester hydrochlorideCaustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 4.

______________________________________EXAMPLE 71 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanemonostearate 1.5Propylene glycol 10.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 7.04'-(2-carboxyethyl)phenylester hydrochlorideGlycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 5.

______________________________________EXAMPLE 72 CREAM weight %______________________________________Stearyl alcohol 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodesylalcohol 6.0Polyoxyethylene (25 moles) cetyl alcohol ether 3.0G1ycerinemonostearate 2.0Propylene glycol 5.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'- 0.005(2-ethoxycarbonylethyl) phenylester hydrochloridePerfume q.s.Sodium hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 6.

______________________________________EXAMPLE 73 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 10.04'-carboxymethylphenylester hydrochlorideSodium hydrogensulfite 0.01Ethyl paraben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 7.

______________________________________EXAMPLE 74 MILKY LOTION weight %______________________________________Oil phase:Stearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (60 moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1Trans-4-guanidinomethylcyclohexanecarboxylic acid 1.04'-benzyloxycarbonylphenylester hydrochlorideTrans-4-guanidinomethylcyclohexanecarboxylic acid 1.03'-methoxycarbonylphenylester hydrochloridePerfume q.s.Aqueous phase:Sodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 8.

______________________________________EXAMPLE 75 JELLY weight %______________________________________95% ethyl alcohol 10.0Dipropyleneglycol 15.0Polyoxyethylene (50 moles) oleyl alcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1Trans-4-guanidinomethylcyclohexanecarboxylic acid 4'-t- 0.05butyloxycarbonylmethylphanylester hydrochlorideTrans-4-guanidinomethylcyclohexanecarboxylic acid 1.04'-carboxyphenylester hydrochloride4-hydroxybenzoic acid methylester 0.2Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 9.

______________________________________EXAMPLE 76 LOTION weight %______________________________________A phase:Ethanol (95%) 10.0Polyoxyethylene (20 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethyl ether 0.1Trans-4-guanidinomethylcyclohexanecarboxylic acid 0.054'-ethoxycarbonylphenylester hydrochlorideB phase: 0.1Potassium hydroxideC phase:Glycerol 5.0dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 10.

______________________________________EXAMPLE 77 PACK weight %______________________________________A phase:Dipropyleneglycol 5.0Polyoxyethylene (60 moles) hydrogenated castor oil 5.0B phase:Trans-4-guanidinomethylcyclohexanecarboxylic acid 1.04'-phenoxycarbonylphenylester hydrochlorideTrans-4-guanidinomethylcyclohexanecarboxylic acid 1.04'-(2-carboxyethyl)phenylester hydrochlorideOlive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2Perfume 0.2C phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90 degree of polymerization 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 11.

COMPOUND GROUP 8

(1) Depigmentation Effect

The depigmentation effect of the compound group 8 was examined according to the method described above.

The results are shown in TABLE 15.

TABLE 15______________________________________ DEPIGMENTATION COMPOUND EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 78 Trans-4-guanidinomethyl- .circleincircle. cyclohexanecarboxylic acid phenyl ester hydrochlorideEXAMPLE 19 Trans-4-guanidinomethyl- .circleincircle. cyclohexanecarboxylic acid 4'-ethylphenylester hydrochlorideEXAMPLE 80 Trans-4-guanidinomethyl- .circleincircle. cyclohexanecarboxylic acid 2'-methoxyphenylester hydro- chloride .circleincircle.______________________________________

As is clear from TABLE 15, the external preparation for the skin according to Examples 78 to 80 could also suppress deposition of melanoic pigment and suntan.

(2) Skin Care Effect

The skin care effect of the compound group 8 was examined according to the method described above.

The results are shown in TABLE 16.

TABLE 16______________________________________ moisturising texture of skin maintenance of effect surface moisturising effect______________________________________COMPARISON 1 x x xEXAMPLE 78 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 79 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 80 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 16, the external preparation for the skin according to Examples 78 to 80 had excellent skin care effect.

______________________________________EXAMPLE 81 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine mono stearate 3.0Fropylene glycol 10.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 20.02'-acetylphenylester hydrochlorideCaustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 4.

______________________________________EXAMPLE 82 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanemonostearate 1.5Propylene glycol 10.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 7.02'-phenylphenylester hydrochlorideGlycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 5.

______________________________________EXAMPLE 83 CREAM weight %______________________________________Stearyl alcohol 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodesylalcohol 6.0Polyoxyethylene (25 moles) cetyl alcohol ether 3.0Glycerinemonostearate 2.0Propylene glycol 5.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 0.0054'-chlorophenylester hydrochloridePerfume qs.Sodium hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 6.

______________________________________EXAMPLE 84 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0Trans-4-guanidinomethylcyclohexanecarboxylic acid 10.04'-acetoaminophenylester hydrochlorideSodium hydrogensulfite 0.01Ethylparaben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 7.

______________________________________EXAMPLE 85 MILKY LOTION weight %______________________________________Oil phase:Stearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (60 moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1Trans-4-guanidinomethylcyclohexanecarboxylic acid 1.04'-sulfamoylphenylester hydrochlorideTrans-4-guanidinomethylcyclohexanecarboxylic acid 1.04'-benzoylphenylester hydrochloridePerfume q.s.Aqueous phase:Sodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 8.

______________________________________EXAMPLE 86 JELLY weight %______________________________________95% ethyl alcohol 10.0Dipropyleneglycol 15.0Polyoxyethylene (50 moles) oleyl alcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1Trans-4-guanidinomethylcyclohexanecarboxylic acid 1.02'-phenoxyphenylester hydrochlorideTrans-4-guanidinomethylcyclohexanecarboxylic acid 1.04'-formylphenylester hydrochloride4-hydroxybenzoic acid methylester 0.2Perfume q.s.lon exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 9.

______________________________________EXAMPLE 87 LOTION weight %______________________________________A phase:Ethanol (95%) 10.0Polyoxyethylene (20 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethyl ether 0.1Trans-4-guanidinomethylcyclohexanecarboxylic acid 0.052'-cyanophenylester hydrochlorideB Phase: 0.1Potassium hydroxideC phase:Glycerol 5.0Dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 10.

______________________________________EXAMPLE 88 PACK weight %______________________________________A phase:Dipropyleneglycol 5.0Polyoxyethylene (60 moles) hydrogenated castor oil 5.0B phase:Trans-4-guanidinomethylcyclohexanecarboxylic acid 1.04'-ethylphenylester hydrochlorideTrans-4-guanidinomethylcyclohexanecarboxylic acid 1.03',4'-dichlorophenylester hydrochlorideOlive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2Perfume 0.2C phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90, degree of polymerization 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 11.

COMPOUND GROUP 9

(1) Depigmentation Effect

The depigmentation effect of the compound group 9 was examined according to the method described above.

The result is shown in TABLE 17.

TABLE 17______________________________________ DEPIGMENTATION COMPOUND EFFECT______________________________________COMPARISON 1 NONE xCOMPARISON 2 HYDROQUINONE .DELTA.EXAMPLE 89 Trans-4-benzylideneamino- .circleincircle. methyl cyclohexanecarboxylic acidEXAMPLE 90 Trans-4-(3'-4'-dihydroxy- .circleincircle. benzylideneaminomethyl) cyclohexanecarboxylic acidEXAMPLE 91 Trans-4-(4'-nitrobenzylidene- .circleincircle. aminomethyl) cyclohexanecarboxylic acid______________________________________

As is clear from TABLE 17, the external preparation for the skin according to Examples 89 to 91 could also suppress deposition of melanoic pigment and suppress suntan.

(2) Skin Care Effect

The skin care effect of the compound group 9 was examined according to the method described above.

The result is shown in TABLE 18.

TABLE 18______________________________________ drying of skin wrinkle drying of skin in morning______________________________________COMPARISON 1 x x xEXAMFLE 89 .circleincircle. .circleincircle. .circleincircle.EXAMPLE 90 .circleincircle. .circleincircle. .circleincircle.BXAMPLE 91 .circleincircle. .circleincircle. .circleincircle.______________________________________

As is clear from TABLE 18, the external preparation for the skin according to Examples 89 to 91 had excellent skin care effect.

______________________________________EXAMPLE 92 CREAM weight %______________________________________Stearic acid 5.0Stearyl alcohol 4.0Isopropyl myristate 18.0Glycerine mono stearate 3.0Propyleno glycol 10.0Trans-4-(3',4',5'-trimethoxybenzylideneaminomethyl) 20.0cyclohexanecarboxylic acidCaustic potash 0.2Sodium hydrogensulfite 0.01Antiseptic q.s.Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 4.

______________________________________EXAMPLE 93 CREAM weight %______________________________________Stearic acid 6.0Sorbitane monostearate 2.0Polyoxyethylene (20 moles) sorbitanemonostearate 1.5Propylene glycol 10.0Trans-4-(3'-pyridylmethylideneaminomethyl) 7.0cyclohexanecarboxylic acidGlycerine trioctanoate 10.0Squalene 5.0Sodium hydrogensulfite 0.01Ethylparaben 0.3Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 5.

______________________________________EXAMPLE 94 CREAM weight %______________________________________Stearyl alcohol 7.0Stearic acid 2.0Hydrogenated lanoline 2.0Squalane 5.02-octyldodesylalcohol 6.0Polyoxyethylene (25 moles) cetyl alcohol ether 3.0Glycerinemonostearate 2.0Propylene glycol 5.0Trans-4-(4'-isopropenylbenzylideneaminomethyl) 0.005cyclohexanecarboxylic acidPerfume q.s.Sodium hydrogensulfite 0.03Ethylparaben 0.3Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 6.

______________________________________EXAMPLE 95 MILKY LOTION weight %______________________________________Stearic acid 2.5Cetyl alcohol 1.5Petrolatum 5.0Liquid paraffin 10.0Polyoxyethylene (10 moles) monoleate 2.0Polyethylene glycol 1500 3.0Triethanolamine 1.0Trans-4-(3',4'-dimethoxybenzylideneaminomethyl) 10.0cyclohexanecarboxylic acidSodium hydrogensulfite 0.01Ethylparaben 0.3Carboxyvinyl polymer 0.05Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 7.

______________________________________EXAMPLE 96 MILKY LOTION weight %______________________________________Oil phase:Stearyl alcohol 1.5Squalene 2.0Petrolatum 2.5Deodorized liquid lanoline 1.5Evening primrose oil 2.0Isopropyl myristate 5.0Glycerine monoleate 2.0Polyoxyethylene (60 moles) hydrogenated castor oil 2.0Tocopherol acetate 0.05Ethylparaben 0.2Butylparaben 0.1Trans-4-(4'-chlorobenzylideneaminomethyl) 1.0cyclohexanecarboxylic acidTrans-4-(2'-methoxybenzylideneaminomethyl) 1.0cyclohexanecarboxylic acidPerfume q.s.Aqueous phase:Sodium hydrogensulfite 0.01Glycerol 5.0Sodium hyaluronate 0.01Carboxyvinyl polymer 0.2Potassium hydroxide 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 8.

______________________________________EXAMPLE 97 JELLY weight %______________________________________95% ethyl alcohol 10.0Dipropyleneglycol 15.0Polyoxyethylene (50 moles) oleyl alcohol ether 2.0Carboxyvinyl polymer 1.0Caustic soda 0.15L-arginine 0.1Trans-4-(2'-hydroxybenzylideneaminomethyl) 1.0cyclohexanecarboxylic acidTrans-4-(3'-trifluoromethylbenzylideneaminomethyl) 1.0cyclohexanecarboxylic acid4-hydroxybenzoic acid methylester 0.2Perfume q.s.Ion exchanged water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 9.

______________________________________EXAMPLE 98 LOTION weight %______________________________________A phase:Ethanol (95%) 10.0Polyoxyethylene (20 moles) octyldodecanol 1.04-hydroxybenzoic acid methylester 0.15Pantothenyl ethyl ether 0.1Trans-4-(3'-carboxy-4'-hydroxybenzylideneaminomethyl) 0.05cyclohexanecarboxylic acidB phase: 0.1Potassium hydroxideC phase:Glycerol 5.0dipropyleneglycol 10.0Sodium hydrogensulfite 0.03Carboxyvinyl polymer 0.2Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 10.

______________________________________EXAMPLE 99 PACK weight %______________________________________A phase:Dipropyleneglycol 5.0Polyxoyethylene (60 moles) hydrogenated castor oil 5.0B phase:Trans-4-(2'-nitrobenzylideneaminomethyl) 1.0cyclohexanecarboxylic acidTrans-4-(3',4'-dihydroxybenzylideneaminomethyl) 1.0cyclohexanecarboxylic acid ethyl esterOlive oil 5.0Tocopherol acetate 0.2Ethylparaben 0.2Perfume 0.2C phase:Sodium hydrogensulfite 0.03Polyvinyl alcohol 13.0(saponification degree 90, degree of polymerixation 2000)Ethanol 7.0Purified water balance______________________________________

Manufacturing Method

The preparation with respect to the present example was prepared by the same method described in the explanation of example 11.

As is clear from the above-described examples, the external preparation for the skin including derivatives of tranexamic acid, have excellent whitening effect as well as skin care effect.

Claims

1. A composition for skin depigmentation comprising amide derivatives of tranexamic acid and salts thereof represented by the following formula B: ##STR16## in the formula B, R.sub.1 and R.sub.2 are the same or different and represent hydrogen, straight or branched allyl group having 1 to 18 carbon atoms, cycloalkyl group having 5-8 carbon atoms, benzyl group or having the structure in the following formula C: ##STR17## in the formula C, X represents lower alkyl group, lower alkoxy group atoms, hydroxy group, amino group or halogen atom, and n=0-3.

2. A composition for skin depigmentation comprising amide derivatives and the salt derivatives thereof represented by the following formula D: ##STR18## in the formula D, R.sub.1 represents a hydrogen or a lower alkyl group having 1 to 4 carbon atoms, R.sub.2 represents an alkyl group having 1 to 17 carbon atoms, a cycloalkyl group having 5 to 11 carbon atoms, an alkenyl group having 3 to 17 carbon atoms, a pyridyl group, a trifluoromethyl group, or the following formula E: ##STR19## in the formula E, X and Y represent hydroxy group, methoxy group, amino group or halogen atom respectively, m=0-3, n=0-3 or the following formula F: ##STR20## in the formula F, Z represents a hydroxy group or methoxy group, and j=0-3.

3. A composition for skin depigmentation comprising compounds and salts thereof represented by the following formula G: ##STR21## in the formula G, R represents an amino acid residue, in which a carbon atom in a carboxyl group bonds to a nitrogen of the tranexamic acid by an amide bond, which is selected from the group consisting of L-flycyl, L-seryl, L-threonyl, L-cysteinyl, L-tyrosyl, L-asparaginyl, L-qlutaminyl, L-alanyl, L-valyl, L-leucyl, L-isoleucyl, L-prolyl, L-phenylalanyl, L-tryptophanyl, L-methionyl, L-.alpha.-aspartyl, L-.alpha.-glutamyl, L-lysyl, L-arginyl, L-histidyl, and L-ornithyl group.

4. A composition for skin depigmentation comprising compounds and salts thereof represented by the following formula I: ##STR22## in the formula I, R represents a hydrogen or a lower alkyl group having 1 to 8 carbon atoms, R.sub.1 represents a hydrogen, an alkyl group having 1 to 8 carbon atoms, cyclohexyl group, an aryl group, or (CH.sub.2)COOCH.sub.2 CH.sub.3.

5. A composition for skin depigmentation comprising trans-4-guanidinomethylcyclo hexanecarboxylic acid derivatives and salts thereof represented by the following formula K: ##STR23## in the formula K, R represents hydrogen, a lower alkyl group, a benzyl group, or a phenyl group, and n=0-2.

6. A composition for skin depigmentation comprising cyclohexanecarboxylic acid derivatives and salts thereof represented by the following formula M: ##STR24## in the formula M, A represents a phenyl group, a pyridyl group, a p-isopropenylphenyl group or a group represented by the following formula N: ##STR25## in the formula N, X.sub.1 represents hydrogen, a hydroxy group or a methoxy group, X.sub.2 represents hydrogen, a hydroxy group or a methoxy group, X.sub.3 represents a hydroxy group, a methoxy group, a halogen atom, a nitro group, a trifluoromethyl group, a carboxyl group or the following formula O: ##STR26## R represents a hydrogen atom, Na or the alkyl group having 1.about.4 of carbon atoms, R.sub.1 represents a hydrogen atom or an alkyl group having 1.about.10 carbon atoms.

7. The composition of claim 2, wherein the amide derivative is one or more derivatives selected from the group consisting of Trans-4-(trans-4'-isobutylcyclohexylcarbonylaminomethyl) cyclohexanecarboxylic acid, Trans-4-oleoylaminomethyl)cyclohexane carboxylic acid, Trans-4-(3',4'-dimethoxycinnamoylminomethyl)cyclohexanecarboxylic acid, and the salts thereof.

8. The composition of claim 3, wherein the amino acid residue is selected from the group consisting of L-alanyl, L-valyl, and L-threonyl.

9. The composition of claim 4, wherein R is hydrogen and R.sub.1 is selected from hydrogen atom, ethyl group, and cyclohexyl group.

10. The composition of claim 2, wherein R.sub.1 is hydrogen atom and R.sub.2 is selected from the group consisting of methyl group and a group represented by the following formula P. ##STR27##