WATER-BASED COSMETIC COMPOSITIONS

• US 20170119644A1
• Filed: 10/28/2015
• Published: 05/04/2017
• Est. Priority Date: 10/28/2015
• Status: Active Grant

• Current Assignee: L'Oreal SA
• Original Assignee: L'Oreal SA
• Inventors: WHITE, Geoffrey, BODNAR, Brian Scott
• Granted Patent: US 10,639,259 B2
• Time in Patent Office: Days
• CPC Class Codes: A61K 8/062 Oil-in-water emulsions
• CPC Class Codes: A61K 8/39 Derivatives containing from 2 to 10 oxyalkylene groups
• CPC Class Codes: A61K 8/4946 Imidazoles or their condensed derivatives, e.g. benzimidazoles
• CPC Class Codes: A61K 8/4973 with oxygen as the only hetero atom
• CPC Class Codes: A61K 8/4993 Derivatives containing from 2 to 10 oxyalkylene groups
• CPC Class Codes: A61K 8/8152 Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
• CPC Class Codes: A61K 8/894 modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
• CPC Class Codes: A61Q 17/04 Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations

Abstract

Compositions containing (1) water, (2) at least one hydrophilic sunscreen active agent having a sulfonic acid group, (3) at least one surfactant selected from the group consisting of alkoxylated fatty alcohols, sorbitan esters, alkoxylated silicones, and mixtures thereof, and (4) at least one copolymer comprising at least one monomer comprising a carboxylic acid containing α,β-unsaturation, at least one monomer containing an ester of a carboxylic acid containing α,β-unsaturation, and at least one monomer containing an oxyalkylenated fatty alcohol are provided.

Claims

1. A composition comprising (1) water, (2) at least one hydrophilic sunscreen active agent comprising a sulfonic acid group, (3) at least one surfactant selected from the group consisting of alkoxylated fatty alcohols, sorbitan esters, alkoxylated silicones, and mixtures thereof, and (4) at least one copolymer comprising at least one monomer comprising a carboxylic acid containing α

,β

-unsaturation, at least one monomer containing an ester of a carboxylic acid containing α

,β

-unsaturation, and at least one monomer containing an oxyalkylenated fatty alcohol.

2. The composition of claim 1, wherein the composition is an emulsion.

3. The composition of claim 2, wherein the emulsion is an oil-in-water emulsion.

4. The composition of claim 1, wherein the hydrophilic sunscreen active agent is selected from the group consisting of phenylbenzimidazole sulfonic acid, sulisobenzone, and ecamsule.

5. The composition of claim 1, wherein the hydrophilic sunscreen active agent is phenylbenzimidazole sulfonic acid.

6. The composition of claim 1, wherein the copolymer is Acrylates/Steareth-20 Methacrylate Copolymer.

7. The composition of claim 4, wherein the copolymer is Acrylates/Steareth-20 Methacrylate Copolymer.

8. The composition of claim 6, wherein the copolymer is Acrylates/Steareth-20 Methacrylate Copolymer.

9. The composition of claim 1, wherein the surfactant is selected from the group consisting of sorbitan sesquiolate, polysorbate-85, PEG-11 methyl ether dimethicone, PPG-5-buteth-5, and mixtures thereof.

10. The composition of claim 6, wherein the surfactant is selected from the group consisting of sorbitan sesquiolate, polysorbate-85, PEG-11 methyl ether dimethicone, PPG-5-buteth-5, and mixtures thereof.

11. The composition of claim 7, wherein the surfactant is selected from the group consisting of sorbitan sesquiolate, polysorbate-85, PEG-11 methyl ether dimethicone, PPG-5-buteth-5, and mixtures thereof.

12. The composition of claim 8, wherein the surfactant is selected from the group consisting of sorbitan sesquiolate, polysorbate-85, PEG-11 methyl ether dimethicone, PPG-5-buteth-5, and mixtures thereof.

13. The composition of claim 1, wherein the surfactant(s) and copolymer(s) are present in a weight ratio between 3:

1 and 1;

3.

14. The composition of claim 13, wherein the surfactant(s) and the hydrophilic sunscreen active agent are present in a weight ratio between 3:

1 and 1;

3.

15. The composition of claim 14, wherein the hydrophilic sunscreen active agent(s) and copolymer(s) are present in a weight ratio between 3:

1 and 1;

3.

16. The composition of claim 12, wherein the surfactant(s) and copolymer(s) are present in a weight ratio between 3:

1 and 1;

3.

17. The composition of claim 16, wherein the surfactant(s) and the hydrophilic sunscreen active agent are present in a weight ratio between 3:

1 and 1;

3.

18. The composition of claim 17, wherein the hydrophilic sunscreen active agent(s) and copolymer(s) are present in a weight ratio between 3:

1 and 1;

3.

19. The composition of claim 1, further comprising at least one coloring agent.

20. A method of preparing a composition comprising combining (1) water, (2) at least one hydrophilic sunscreen active agent comprising a sulfonic acid group, (3) at least one surfactant selected from the group consisting of sorbitan esters, alkoxylated silicones, and mixtures thereof, and (4) at least one copolymer comprising at least one monomer comprising a carboxylic acid containing α

,β

-unsaturation, at least one monomer containing an ester of a carboxylic acid containing α

,β

-unsaturation, and at least one monomer containing an oxyalkylenated fatty alcohol to form a composition.