Compositions and methods for hair

Patent metadata

Field	Value
Publication number	US-2016175206-A1
Application number	US-201414578074-A
Country	US
Kind code	A1
Filing date	Dec 19, 2014
Priority date	Dec 19, 2014
Publication date	Jun 23, 2016
Grant date	—

Abstract

Disclosed are oil-in-water (O/W) emulsions comprising (a) an aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex, and (b) an oil phase, wherein the aqueous dispersion of particles of at least one latex is present in the O/W emulsion in an amount sufficient to stabilize the O/W emulsion. The disclosure also relates to hair styling and/or shaping compositions comprising the O/W emulsions, methods of making the compositions, and methods of styling and/or shaping the hair.

First claim

What is claimed is:

1 . An oil-in-water emulsion comprising:
(a) an aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex, and (b) an oil phase, wherein the aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex is present in the oil-in-water emulsion in an amount sufficient to stabilize the oil-in-water emulsion.

2 . The oil-in-water emulsion of claim 1 , wherein the oil phase comprises at least one water-insoluble component chosen from volatile oils, non-volatile oils, UV agents, and antioxidants.

3 . The oil-in-water emulsion of claim 2 , wherein the at least one water-insoluble component is present in the oil-in-water emulsion in an amount ranging from about 0.1% to about 40% by weight, relative to the total weight of the emulsion.

4 . The oil-in-water emulsion of claim 1 , wherein the aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex is present in the oil-in-water emulsion in an amount ranging from about 0.5% to about 10% by weight as polymeric active material (dry weight basis), relative to the total weight of the emulsion.

5 . The oil-in-water emulsion of claim 1 , wherein the weight ratio of active material of (a) the aqueous dispersion of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex to (b) the at least one water-insoluble component ranges from about 10:1 to about 1:20.

6 . The oil-in-water emulsion of claim 1 , further comprising at least one surfactant in an amount below the amount required to stabilize the emulsion.

7 . The oil-in-water emulsion of claim 6 , wherein the surfactant is present in an amount up to about 1% by weight, relative to the total weight of the emulsion.

8 . The oil-in-water emulsion of claim 6 , wherein the emulsion is stable.

9 . A hair styling or hair shaping composition comprising the oil-in-water emulsion of claim 1 .

10 . The composition of claim 9 , further comprising at least one additional component chosen from solvents, wax dispersions, oils, surfactants, rheology modifiers, thickening agents, structuring agents, skin active agents, vitamins, plant extracts, or propellants.

11 . The composition of claim 10 comprising at least one solvent and at least one wax dispersion, wherein said wax dispersion comprises particles of natural and/or synthetic waxes dispersed in a surfactant mixture comprising nonionic and/or ionic surfactants.

12 . A method of making an oil-in-water emulsion, said oil-in-water emulsion comprising:
(a) an aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex, and (b) an oil phase,
wherein the aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex is present in the oil-in-water emulsion in an amount sufficient to stabilize the oil-in-water emulsion,
wherein said method comprises: homogenizing (a) the aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex, and (b) the oil phase, under high-pressure homogenization.

13 . The method of claim 12 , wherein the oil-in-water emulsion further comprises at least one surfactant in an amount below the amount required to stabilize the emulsion.

14 . The method of claim 13 , wherein the surfactant is present in an amount up to about 1% by weight, relative to the total weight of the emulsion.

15 . The method of claim 13 , wherein the oil-in-water emulsion is stable.

16 . The method according to claim 12 , further comprising mixing (a) the aqueous dispersion of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex and (b) the at least one oil phase, prior to said homogenization.

17 . The method according to claim 12 , wherein the homogenization process is repeated from 2 to 10 times.

18 . A method of styling or shaping the hair, said method comprising applying an oil-in-water emulsion to the hair, said oil-in-water emulsion comprising:
(a) an aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex, and (b) an oil phase, wherein the aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex is present in the oil-in-water emulsion in an amount sufficient to stabilize the emulsion.

19 . A method of styling and/or shaping the hair, said method comprising applying to the hair a composition comprising:
(1) an oil-in-water emulsion comprising:
(a) an aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex, and
(b) an oil phase,
wherein the aqueous dispersion of particles of at least one latex chosen from an acrylate latex, a polyurethane latex, or a silicone latex is present in the oil-in-water emulsion in an amount sufficient to stabilize the emulsion; and

(2) at least one additional component chosen from solvents, wax dispersions, oils, surfactants, rheology modifiers, thickening agents, structuring agents, propellants, skin active agents, vitamins, or plant extracts.

20 . The method according to claim 19 , wherein the composition comprises at least one solvent and at least one wax dispersion, wherein said wax dispersion comprises particles of natural and/or synthetic waxes dispersed in a surfactant mixture comprising nonionic and/or ionic surfactants.

Assignees

• Oreal

Inventors

• Tan Siliu
• Gogineni Aditi
• Simonnet Jean-Thierry
• Singer Jim Mitchell
• Nguyen Nghi Van

Classifications

• A61K8/891

  saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone · CPC title

• A61K8/8141

  Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers · CPC title

• A61Q5/06

  Preparations for styling the hair, e.g. by temporary shaping or colouring · CPC title

• A61K8/062 Primary

  Oil-in-water emulsions · CPC title

• A61K8/87

  Polyurethanes · CPC title