Claims
- 1. A cosmetic make-up composition which is a water-in-oil emulsion comprising
- a) an oil phase which comprises
- i) About 2 to 50% by weight of the oil phase of a coated pigment consisting essentially of finely divided particles of pigment whose surfaces are chemically bonded to, and physically completely coated by, polysiloxane which coating renders the particles hydrophobic, and
- ii) up to about 97% by weight of the oil phase of a silicone component selected from the group consisting of dimethyl polysiloxane having the formula (CH.sub.3).sub.3 SiO(Si(CH.sub.3).sub.2 O).sub.d --Si(CH.sub.3).sub.3 wherein the degree of polymerization d is effective to give the fluid a viscosity of 0.65 to one million centistokes at 25.degree. C.; cyclomethicone having a degree of polymerizaton of 3 to 6; organopolysilioxane having the formula:
- X(CH.sub.3).sub.2 SiO--Y--Si(CH.sub.3).sub.2 X
- wherein X is alkyl or alkoxy having 1 to 30 carbon atoms and Y is a chain of 1 to 100 repeating (Si--O) units containing 1 to 100 units of the formula (--Si(R.sub.1)(R.sub.2)O--) and 0 to 100 units of the formula (Si(R.sub.3)(R.sub.4)O) wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 can be alkyl containing 2 to 30 carbon atoms, phenyl, or phenyl connected to the Si atom by a vinyl group or an alkylene bridge 1 to 3 carbon atoms long; wherein each R.sub.1 and R.sub.3 can also be --CH.sub.3, and each R.sub.1 and R.sub.2 can also be trimethylsiloxy; and mixtures thereof;
- b) 15 to 60% by weight of the total composition of an aqueous phase;
- c) a surfactant which is a polydiorganosiloxane-polyoxyalkylene copolymer containing at least one polydiorganosiloxane segment consisting of
- R.sub.b SiO.sub.(4-b)/2
- siloxane units wherein b has a value of from 0 to 3 inclusive, there being an average of approximately 2 R radicals per silicon in the copolymer, and R denotes a radical selected from the group consisting of methyl, ethyl, vinyl, phenyl and a divalent radical bonding a polyoxyalkylene segment to the polydiorganosiloxane segment, at least 95 percent of all R radicals being methyl; and containing at least one polyoxalkylene segment having an average molecular weight of less than 5000 and consisting of from 0 to 50 mol percent polyoxypropylene units and from 50 to 100 mol percent polyoxyethylene units, at least one terminal portion of said polyoxyalkylene segment being bonded to said polydiorganosiloxane segment, any terminal portion of said polyoxyalkylene segment not bonded to said polydiorganosiloxane segment being satisfied by a terminating radical;
- d) and further comprising a silicone-free surfactant having an HLB of 2-12;
- wherein said surfactants are present in a combined amount effective to form a stable emulsion of said water phase in said oil phase.
- 2. A composition according to claim 1 wherein the pigment is one or more substances selected from the group consisting of talc, mica, titanium dioxide, ferric oxide, ferrous oxide, kaolin, ultramarine, chromium oxide, chromium hydroxide, zinc oxide, silica, manganese violet.
- 3. A composition according to claim 1 further comprising a cosmetically acceptable component dissolved in the oil phase.
- 4. A composition according to claim 1 further comprising a cosmetically acceptable component dissolved in the aqueous phase.
- 5. A cosmetic make up composition which is a water-in-oil emulsion comprising
- (a) an oil phase which comprises
- (i) about 2-50% by weight of the oil phase of a coated pigment consisting essentially of finely divided particles of talc, mica, titanium dioxide, ferric oxide, ferrous oxide, kaolin, ultramarine, chromium oxide, chromium hydroxide, zinc oxide, silica, manganese violet, organic pigments, or mixtures thereof; whose surfaces are chemically bonded to and physically completely coated by a polysiloxane selected from the group consisting of polymethyl hydrogen siloxane and mineral oil, polydimethylsiloxane, methyltrimethyoxysilane, polymethyl hydrogen siloxane, or mixtures thereof, which coating renders the particles hydrophobic;
- (ii) up to about 97% by weight of the oil phase of a silicone component selected from the group consisting of cyclomethicone, dimethicone, phenyltrimethicone, or mixtures thereof,
- (b) about 15-60% of an aqueous phase;
- (c) a surfactant selected from the group consisting of cyclomethicone, dimethicone copolyol, or mixtures thereof,
- wherein said surfactant component is present in an amount effective to form a stable emulsion of said water phase in said oil phase.
- 6. The composition of claim 5 further comprising about 0.25-2% by weight of the total composition of a silicone free surfactant having an HLB of 2-12.
- 7. The composition of claim 6 wherein the silicone free surfactant is selected from the group consisting of Laureth-7, Laureth-9, PEG-7 C.sub.12-15 ether, polyglyceryl-4 oleate, or mixtures thereof.
- 8. The composition of claim 6 wherein the silicone oil phase additionally comprises ester waxes, oils, fats, fatty alcohols, fatty acids, hydrocarbon oils, waxes, sunscreens, preservatives fragrances or mixtures thereof.
- 9. The composition of claim 6 wherein the aqueous phase additionally comprises humectants, preservatives, electrolytes, sunscreens, or mixtures thereof.
- 10. The composition of claim 6 having the formula
- ______________________________________ w/w %______________________________________cyclomethicone (80% D = 4, 20% D = 5) 22.6surfactant (cyclomethicone and di- 16.0methicone copolyol)Laureth-7 0.5Propyl paraben 0.1Bentone gellant 5.0Pigment:Red iron oxide 0.9Yellow iron oxide 2.0Black iron oxide 0.2Talc 4.5Titanium dioxide 12.0Water 26.0Sodium chloride 2.0Propylene glycol 8.0Methyl paraben 0.2.______________________________________
- 11. The composition of claim 6 having the formula
- ______________________________________ w/w %______________________________________cyclomethicone (D = 4) 12.00Dimethicone (viscosity 10 cs) 5.00Surfactant (cyclomethicone and di- 20.00methicone copolyol)Laureth-9 0.5Propyl paraben 0.10PigmentRed iron oxide 0.70Yellow iron oxide 1.50Black iron oxide 0.20Talc 3.30Titanium dioxide 8.50Water 38.00Sodium chloride 2.00Propylene glycol 8.00Methyl paraben 0.20.______________________________________
- 12. The composition of claim 6 having the formula
- ______________________________________ w/w %______________________________________cyclomethicone (D = 4) 2.00Dimethicone (viscosity 10 cs) 5.00Surfactant (cyclomethicone and di- 20.00methicone copolyol)PEG-7 C.sub.12-15 ether 0.50Propyl paraben 0.10Pigmentchromium oxide 6.20ultramarine blue 4.00titanium dioxide coated mica 6.00Water 46.00Sodium chloride 2.00Propylene glycol 8.00Methyl paraben 0.20.______________________________________
- 13. The composition of claim 6 having the formula
- ______________________________________ w/w %______________________________________cyclomethicone (D = 4) 13.20Surfactant (cyclomethicone and di- 16.00methicone copolyol)Polyglyceryl 4-oleate 0.50PigmentBlack and red iron oxides 10.00Talc 4.00Water 46.00Sodium chloride 2.00Propylene glycol 8.00Methyl paraben 0.20.______________________________________
- 14. The composition of claim 6 having the formula
- ______________________________________ w/w %______________________________________cyclomethicone (D = 4) 8.00Dimethicone 3.00Surfactant (cyclomethicone and 18.00dimethicone copolyol)Laureth-9 0.50Propyl paraben 0.10PigmentD & C Red #7 Ca Lake 1.00FD & C Yellow #5 Al Lake 0.50Red iron oxide 0.80Titanium dioxide 2.00Talc 9.70Water 46.00Dimethicone copolyol 0.20Sodium chloride 2.00Propylene glycol 8.00Methyl paraben 0.20.______________________________________
- 15. The composition of claim 6 having the formula
- ______________________________________ w/w %______________________________________Cyclomethicone 12.00Surfactant (cyclomethicone and 20.00dimethicone copolyol)Phenyltrimethicone 5.00Laureth-9 0.50Propyl paraben 0.10PigmentRed iron oxide 0.90Yellow iron oxide 1.75Black iron oxide 0.22Talc 3.33Titanium dioxide 8.00Water 39.00Sodium chloride 1.00Glycerine 8.00Methyl paraben 0.20.______________________________________
Parent Case Info
This is a continuation of Ser. No. 590,603 filed Sep. 25, 1990, now abandoned, which is a continuation of Ser. No. 07/418,982 filed Oct. 5, 1989, now abandoned, which is continuation of Ser. No. 07/203,576, filed May 26, 1988, now abandoned, which is a continuation of Ser. No. 07/008,997 filed Dec. 19, 1986, now abandoned.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2217987A |
Aug 1989 |
GBX |
Continuations (4)
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Number |
Date |
Country |
Parent |
590603 |
Sep 1990 |
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Parent |
418982 |
Oct 1989 |
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Parent |
203576 |
May 1988 |
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Parent |
8997 |
Dec 1986 |
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