Cosmetic pigments, their production method, and cosmetics containing the cosmetic pigments
US-9181436-B2 · Nov 10, 2015 · US
US10835473B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10835473-B2 |
| Application number | US-201816117481-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 30, 2018 |
| Priority date | Sep 1, 2017 |
| Publication date | Nov 17, 2020 |
| Grant date | Nov 17, 2020 |
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The present disclosure relates to cosmetic compositions for the cleaning of keratinic fibers. An exemplary cosmetic composition includes, based on the total weight of the cosmetic composition, a) a particulate comprising, based on the total weight of the particulate, a1) from about 65 to about 98% by weight of a starch, and a2) from about 1.0 to about 3.0% by weight of a pigment, b) an anionic polymer comprising structural units of the formula (I), the formula (II), and the formula (III): wherein R 1 , R 2 and R 4 , each independently of one another, stand for a hydrogen atom or a C 1 -C 4 alkyl group, R 3 stands for a branched or unbranched, saturated or unsaturated C 1 -C 12 alkyl group, R 5 stands for a branched or unbranched, saturated or unsaturated C 6 -C 14 alkyl group, A stands for oxygen, sulfur or an NH group, and c) a foaming agent.
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The invention claimed is: 1. A cosmetic composition comprising, a) particulates comprising, based on the total weight of the particulates, a1) from 65% to 98% by weight of at least one native and/or physically modified starch, and a2) from 1.5% to 25% by weight of at least one pigment, wherein the particulates are coated with the at least one pigment, b) at least one anionic polymer comprising at least one structural unit of the formula (I), at least one structural unit of the formula (II), and at least one structural unit of the formula (III): wherein R 1 , R 2 and R 4 , each independently of one another, stand for a hydrogen atom or a C 1 -C 4 alkyl group, R 3 stands for a branched or unbranched, saturated or unsaturated C 1 -C 12 alkyl group, A stands for oxygen, sulfur or an NH group, and wherein when A stands for oxygen, R 5 stands for a branched or unbranched, saturated or unsaturated C 13 -C 14 alkyl group, and wherein when A stands for sulfur or an NH group, R 5 stands for a branched or unbranched, saturated or unsaturated C 6 -C 14 alkyl group, and c) at least one foaming agent, wherein the cosmetic composition is free of chemically modified starch. 2. The cosmetic composition according to claim 1 , wherein the at least one native and/or physically modified starch a1) is selected from native and/or physically modified rice starch. 3. The cosmetic composition according to claim 1 , wherein the at least one pigment a2) is selected from synthetic inorganic pigments. 4. The cosmetic composition according to claim 1 , wherein the cosmetic composition comprises the particulates a) in a total amount from 1.0% to 10% based on the total weight of the cosmetic composition. 5. The cosmetic composition according to claim 1 , wherein in the structural unit of the formula (II), the radical R 3 stands for a branched C 3 -C 6 alkyl group. 6. The cosmetic composition according to claim 1 , wherein in the structural unit of the formula (III), the radical R 5 stands for a branched C 6 -C 10 alkyl group. 7. The cosmetic composition according to claim 1 , wherein the cosmetic composition comprises the at least one anionic polymer b) in a total amount from 1.0% to 10% based on the total weight of the cosmetic composition. 8. The cosmetic composition according to claim 1 , wherein the cosmetic composition comprises the at least one foaming agent c) in a total amount from 80% to 96% based on the total weight of the cosmetic composition. 9. A method for cleaning and simultaneous temporary coloring of keratinic fibers comprising applying the cosmetic composition according to claim 1 to keratinic fibers. 10. The cosmetic composition according to claim 1 , wherein the at least one native and/or physically modified starch is physically modified rice starch. 11. The cosmetic composition according to claim 1 , wherein the at least one pigment a2) is selected from synthetic inorganic pigments from the group of metal oxides. 12. The cosmetic composition according to claim 1 , wherein the at least one pigment a2) is selected from synthetic inorganic pigments from the group of iron oxides. 13. The cosmetic composition according to claim 1 , wherein in the structural unit of the formula (II), the radical R 3 is CH 2 —CH(CH 3 ) 2 group. 14. The cosmetic composition according to claim 1 , wherein in the structural unit of the formula (III), the radical R 5 is C(CH 3 ) 2 —CH 2 —C(CH 3 ) 3 group. 15. The cosmetic composition according to claim 1 , wherein the particulates a) further comprises from 0.5% to 5.0% by weight of at least one liquid silicone oil a3), based on the total weight of the particulates a). 16. The cosmetic composition according to claim 15 , wherein the particulates a) further comprises from 0.01% to 1.0% by weight of at least one cationic surfactant a4) selected from the group of quaternary ammonium compounds, based on the total weight of the particulates a). 17. The cosmetic composition according to claim 16 , wherein the at least one native and/or physically modified starch a1) is from 70% to 96% by weight of physically modified rice starch, and wherein the at least one pigment a2) is from 1.5% to 25% by weight of synthetic inorganic pigment from the group of iron oxides, and wherein the at least one liquid silicone oil a3) is from 1.5% to 3.0% by weight of polydimethylsiloxane, and wherein the at least one cationic surfactant a4) is from 0.05% to 0.5% by weight of cetyltrimethylammonium chloride. 18. The cosmetic composition according to claim 17 , wherein the particulates a) have a mean particulate diameter of from 5.0 microns to 20 microns as measured by dynamic light scattering. 19. A cosmetic composition consisting of, based on the total weight of the cosmetic composition, a) particulates present in a total amount of from 1.0% to 10% by weight and consisting of, based on the total weight of the particulates, a1) from 65% to 98% by weight of at least one native and/or physically modified starch, a2) from 1.5% to 25% by weight of at least one pigment, wherein the particulates are coated with the at least one pigment, a3) from 0.5% to 5.0% by weight of at least one liquid silicone oil, and a4) from 0.01% to 1.0% by weight of at least one cationic surfactant, b) at least one anionic polymer that is present in a total amount of from 1.0% to 8.0% by weight and that comprises at least one structural unit of the formula (I), at least one structural unit of the formula (II), and at least one structural unit of the formula (III): wherein R 1 , R 2 and R 4 , each independently of one another, stand for a hydrogen atom or a C 1 -C 4 alkyl group, R 3 stands for a branched or unbranched, saturated or unsaturated C 1 -C 12 alkyl group, A stands for oxygen, sulfur or an NH group, and wherein when A stands for oxygen, R 5 stands for a branched or unbranched, saturated or unsaturated C 13 -C 14 alkyl group, and wherein when A stands for sulfur or an NH group, R 5 stands for a branched or unbranched, saturated or unsaturated C 6 -C 14 alkyl group, c) at least one foaming agent present in a total amount of from 80% to 96% by weight, d) water that is present in a total amount of from 0 to 2.0% by weight, e) optionally at least one organic solvent that, if present, is in a total amount of from 3.0% to 8.0% by weight, and f) optionally at least one care substance selected from the group of protein hydrolysates, vitamins, provitamins, vitamin precursors, panthenol, caffeine, nicotinamide, sorbitol, plant extracts, monosaccharides, disaccharides, oligosaccharides, and lipids. 20. The cosmetic composition of claim 1 , wherein the particulates have a mean particulate diameter of from 0.5 microns to 50 microns as measured by dynamic light scattering.
Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers · CPC title
Preparations for temporary colouring the hair, e.g. direct dyes · CPC title
Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers · CPC title
Preparations for cleaning the hair · CPC title
Pigments; Dyes · CPC title
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