Anhydrous cosmetic compositions
First Claim
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1. An anhydrous cosmetic composition comprising:
- (i) at least one fatty or oil phase comprising;
(a.) from about 0.1 to about 10% of non-spherical crosslinked sioxane elstomer having a particle size of from above 10 to about 200 microns wherein the crosslinked siloxane elastomer is capable of swelling and absorbing greater than 30% by weight of a solvent fluid, (b.) from about 10 to about 80% of a solvent for the crosslinked siloxane elastomer, wherein the solvent forms a gel with the crosslinked siloxane elastomer having yield point of at least 50 Pa;
(ii) from about 0.1% to about 10% of an emulsifier;
(iii) from about 0.1% to about 50% of a humectant (iv) optionally, from 0 to about 50% of skin conditioning agent;
(v) from about 0.1% to about 30% pigment; and
(vi) from 0 to about 5% water
wherein the composition has a yield point from about 100 to about 4000 Pa. and wherein the oil or fatty phase of the composition contains less than 10% by weight solid materials and further wherein the gel formed by the solvent and crosslinked siloxane elastomer provides an even, uniform distribution of the pigments in the film and, prior to film drying, the pigments are embedded in the film such that substantially no pigment resides on or protrudes through the surface of the film.
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Abstract
An anhydrous skin treatment composition is provided which includes a crosslinked siloxane elastomer gel of specific yield point, a skin conditioning agent and a volatile siloxane. Inclusions of the select elastomers provide improved uniform distribution of the pigments.
172 Citations
13 Claims
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1. An anhydrous cosmetic composition comprising:
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(i) at least one fatty or oil phase comprising;
(a.) from about 0.1 to about 10% of non-spherical crosslinked sioxane elstomer having a particle size of from above 10 to about 200 microns wherein the crosslinked siloxane elastomer is capable of swelling and absorbing greater than 30% by weight of a solvent fluid, (b.) from about 10 to about 80% of a solvent for the crosslinked siloxane elastomer, wherein the solvent forms a gel with the crosslinked siloxane elastomer having yield point of at least 50 Pa;
(ii) from about 0.1% to about 10% of an emulsifier;
(iii) from about 0.1% to about 50% of a humectant (iv) optionally, from 0 to about 50% of skin conditioning agent;
(v) from about 0.1% to about 30% pigment; and
(vi) from 0 to about 5% water
wherein the composition has a yield point from about 100 to about 4000 Pa. and wherein the oil or fatty phase of the composition contains less than 10% by weight solid materials and further wherein the gel formed by the solvent and crosslinked siloxane elastomer provides an even, uniform distribution of the pigments in the film and, prior to film drying, the pigments are embedded in the film such that substantially no pigment resides on or protrudes through the surface of the film.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An anhydrous cosmetic composition comprising:
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(i) at least one fatty or oil phase comprising;
(a.) from about 0.1 to about 10% of non-spherical crosslinked siloxane having a particle size of from above 10 to about 200 microns wherein the crosslinked siloxane elastomer is capable of swelling and absorbing greater than 30% by weight of a solvent fluid;
(b.) from about 10 to about 80% of a solvent for the crosslinked siloxane elastomer, wherein the solvent forms a gel with the cosslinked siloxane elastomer having yield point of at least 50 Pa;
(ii) from about 0.1% to about 10% of an emulsifier;
(iii) optionally, from 0 to about 50% of skin conditioning agent;
(iv) from about 0.01% to about 30% of organic spherical particles having a particle size of greater than 10 microns;
(v) from about 0.1% to about 30% pigment; and
(vi) from 0 to about 5% water
wherein the composition has a yield point from about 100 to about 4000 Pa. and wherein the gel formed by the solvent and crosslinked siloxane elastomer provides an even, uniform distribution of the pigments in the film and prior to film drying the pigments are embedded in the film such that substantially no pigment resides on or protrudes through the surface of the film.
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Specification