Claims
- 1. An anti-dandruff shampoo comprising a surfactant and, as the active anti-dandruff agent therein, from 0.2 to 10 percent of 1-hydroxy-4-methyl-6-(2,4,4-trimethylphenyl)-2-pyridone, a salt thereof, or a mixture of said pyridone with said salt.
- 2. A shampoo, for short-term treatment of the hair and destined to be rinsed off, comprising:
- (a) as an active ingredient, from 0.2 to 10 percent of 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone, a salt thereof, or a mixture of said pyridone with said salt;
- (b) a surfactant; and
- (c) water or an aqueous alcoholic solution as a carrier.
- 3. A shampoo as in claim 2 wherein the content of (a) is from 0.2 to 2 percent.
- 4. A shampoo as in claim 2 wherein the surfactant is an anionic surfactant.
- 5. A shampoo as in claim 2 wherein the salt of the active ingredient (a) is a low molecular weight alkanolamine salt.
- 6. A shampoo as in claim 2 wherein the carrier (c) is water.
- 7. A hair rinse or hair conditioner, for short-term treatment of the hair and destined to be rinsed off, comprising:
- (a) as an active ingredient, from 0.2 to 10 percent of 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone, a salt thereof, or a mixture of said pyridone with said salt;
- (b) a cationic surfactant; and
- (c) water or an aqueous alcoholic solution as a carrier.
- 8. A hair rinse or hair conditioner as in claim 7 wherein the carrier (c) is water.
- 9. A hair rinse or hair conditioner as in claim 7 wherein the salt of the active ingredient (a) is a low molecular weight alkanolamine salt.
- 10. A shampoo, for short-term treatment of the hair and destined to be rinsed off, comprising:
- (a) as an active ingredient, from 0.2 to 10 percent of 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone, a salt thereof, or a mixture of said pyridone with said salt;
- (b) a surfactant; and
- (c) water or an aqueous alcoholic solution as a carrier, said shampoo having a physiologically acceptable pH.
- 11. A shampoo as in claim 10 wherein the carrier (c) is water.
- 12. A hair rinse or hair conditioner, for short-term treatment of the hair and destined to be rinsed off, comprising:
- (a) as an active ingredient, from 0.2 to 10 percent of 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone, a salt thereof, or a mixture of said pyridone with said salt;
- (b) a cationic surfactant; and
- (c) water or an aqueous alcoholic solution as a carrier, said hair rinse or hair conditioner having a physiologically acceptable pH.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2234009 |
Jul 1972 |
DEX |
|
Parent Case Info
This application is a continuation of application Ser. No. 478,857 filed Mar. 25, 1983, now abandoned, which is a continuation of Ser. No. 21,948 filed Mar. 19, 1979 (now abandoned), which is a divisional of Ser. No. 605,210 filed Aug. 15, 1975 (now U.S. Pat. No. 4,185,106 granted Jan. 22, 1980), which is a continuation of application Ser. No. 377,440 filed July 9, 1973 (now abandoned).
US Referenced Citations (14)
Foreign Referenced Citations (5)
Number |
Date |
Country |
4666268 |
May 1970 |
AUX |
671117 |
Sep 1963 |
CAX |
1795270 |
Dec 1971 |
DEX |
2022146 |
Jul 1970 |
FRX |
222120 |
Aug 1968 |
SEX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
605210 |
Aug 1975 |
|
Continuations (3)
|
Number |
Date |
Country |
Parent |
478857 |
Mar 1983 |
|
Parent |
21948 |
Mar 1979 |
|
Parent |
377440 |
Jul 1973 |
|