# US 10,478,386 B2 · Two-part cosmetic composition for changing color of keratinic fibers

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- Number: US 10,478,386 B2
- Document ID: US10478386B2
- Status: Granted
- Kind: B2
- Application number: 15/771,295
- Filed: 2015-11-27
- Published: 2018-10-25
- Granted: 2019-11-19
- Earliest claimed: 2015-11-27
- Assignees: Henkel AG & Co. KGaA
- Applicants: Henkel AG & Co. KGaA
- Inventors: Congying Liu
- Web page: https://patentgrep.com/patent/US10478386B2

## CPC

- A61K 8/042: {Gels}
- A61K 8/73: Polysaccharides
- A61K 8/8147: {Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers}
- A61K 8/8152: {Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers}
- A61K 8/90: Block copolymers (A61K8/89 takes precedence)
- A61Q 5/10: Preparations for permanently dyeing the hair
- A61K 2800/4324: in preparations for permanently dyeing the hair
- A61K 2800/882: Mixing prior to application
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

The present disclosure relates to a two-part cosmetic composition for changing color of keratinic fibers, comprising (a) a gel-like part containing optionally an oxidative dye precursor, and a thickener selected from the group of xanthan gum, anionic amphiphilic polymer, and combination thereof, and (b) an oxidizing part containing an oxidizing agent, and a thickener including one or more anionic amphiphilic polymers.

## Claims

### Claim 1

A two-part cosmetic composition for changing color of keratinic fibers, comprising,
(a) a gel-like part having a pH of from about 8 to about 12 and comprising,
optionally an oxidative dye precursor, and
a thickener selected from the group of xanthan gum, anionic amphiphilic polymer, and combination thereof, and
(b) an oxidizing part having a pH of from about 1 to about 5 comprising,
an oxidizing agent, and
a thickener comprising one or more anionic amphiphilic polymers;
wherein the two-part cosmetic composition has a viscosity of from about 1000 to about 200000 mPa·s measured using a Brookfield rotating spindle viscometer Model RVT at about 4 rpm and from about 20 to about 25° C.

### Claim 2 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the anionic amphiphilic polymer in the gel-like part or oxidizing part is independently selected from the group of PEG-150/Decyl Alcohol/SMDI Copolymer, PEG-150/Stearyl Alcohol/SMDI Copolymer, Acrylates/Vinyl Neodecanoate Crosspolymer, Acrylates/Steareth-20 Methacrylate Crosspolymer, Acrylates/Steareth-20 Methacrylate Copolymer, Acrylates Copolymer, Acrylates/Ceteth-20 Itaconate Copolymer, Acrylates/Steareth-20 Itaconate Copolymer, Acrylates/Beheneth-25 Methacrylate Copolymer, and combinations thereof.

### Claim 3 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the thickener in the gel-like part is selected from the group of PEG-150/Decyl Alcohol/SMDI Copolymer, xanthan gum, Acrylates/Steareth-20 Methacrylate Crosspolymer, Acrylates/Steareth-20 Methacrylate Copolymer, Acrylates Copolymer, Acrylates/Ceteth-20 Itaconate Copolymer, Acrylates/Beheneth-25 Methacrylate Copolymer, and combinations thereof.

### Claim 4 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the thickener in the gel-like part is selected from the group of xanthan gum, Acrylates/Beheneth-25 Methacrylate Copolymer, and combinations thereof.

### Claim 5 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the anionic amphiphilic polymer in the oxidizing part is selected from the group of PEG-150/Decyl Alcohol/SMDI Copolymer, PEG-150/Stearyl Alcohol/SMDI Copolymer, Acrylates/Vinyl Neodecanoate Crosspolymer, Acrylates/Steareth-20 Methacrylate Crosspolymer, Acrylates/Steareth-20 Methacrylate Copolymer, Acrylates Copolymer, Acrylates/Ceteth-20 Itaconate Copolymer, Acrylates/Steareth-20 Itaconate Copolymer, Acrylates/Beheneth-25 Methacrylate Copolymer, and combination thereof.

### Claim 6 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the oxidative dye precursor in the gel-like part is present in an amount of from about 0 to about 15% by weight, based on the total weight of the gel-like part.

### Claim 7 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the thickener in the gel-like part is present in an amount of from about 0.5% to about 20% by weight based on the total weight of the gel-like part.

### Claim 8 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the thickener in the oxidizing part is present in an amount of from about 1% to about 20% by weight, based on the total weight of the oxidizing part.

### Claim 9 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the oxidizing agent is present in an amount of from about 1% to about 20% by weight, based on the total weight of the oxidizing part.

### Claim 10 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the gel-like part or oxidizing part further comprises an additive selected from the group of alkalizing agent, anti-oxidant, stabilizer, chelating agent, humectant, surfactant and conditioning agent, and combination thereof.

### Claim 11 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the gel-like part is mixed with the oxidizing part prior to use.

### Claim 12 (depends on 1)

A kit for changing color of keratinic fibers, comprising the two-part cosmetic composition for changing color of keratinic fibers according to claim 1, and at least two containers assembled separately from one another, in which a first container holds the gel-like part, and a second container holds the oxidizing part.

### Claim 13 (depends on 1)

A method for changing color of human hair by applying the two-part cosmetic composition for changing color of keratinic fibers according to claim 1, comprising,
(a) blending the gel-like part with the oxidizing part before application to form a ready-to-use agent, in which,
the gel-like part comprises optionally an oxidative dye precursor, and a thickener selected from the group of xanthan gum, anionic amphiphilic polymer, and combination thereof, and
the oxidizing part comprises an oxidizing agent, and a thickener comprising one or more anionic amphiphilic polymers;
(b) applying the ready-to-use agent onto the hair;
(c) leaving the ready-to-use agent on the hair for a period of from about 5 to about 45 minutes; and
(d) rinsing the hair with water.

### Claim 14 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the anionic amphiphilic polymer in the oxidizing part is acrylates copolymers.

### Claim 15 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the oxidative dye precursor in the gel-like part is present in an amount of from about 0.5 to about 10% by weight, based on the total weight of the gel-like part.

### Claim 16 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the thickener in the gel-like part is present in an amount of from about 1% to about 10% by weight based on the total weight of the gel-like part.

### Claim 17 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the thickener in the oxidizing part is present in an amount of from about 1% to about 10% by weight, based on the total weight of the oxidizing part.

### Claim 18 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the anionic amphiphilic polymer in the oxidizing part is acrylates copolymers, wherein the anionic amphiphilic polymer in the gel-like part is selected from the group of PEG-150/Decyl Alcohol/SMDI Copolymer, PEG-150/Stearyl Alcohol/SMDI Copolymer, Acrylates/Vinyl Neodecanoate Crosspolymer, Acrylates/Steareth-20 Methacrylate Crosspolymer, Acrylates/Steareth-20 Methacrylate Copolymer, Acrylates Copolymer, Acrylates/Ceteth-20 Itaconate Copolymer, Acrylates/Steareth-20 Itaconate Copolymer, Acrylates/Beheneth-25 Methacrylate Copolymer, and combinations thereof, wherein the oxidative dye precursor in the gel-like part is present in an amount of from about 0.5 to about 10% by weight, based on the total weight of the gel-like part, wherein the thickener in the gel-like part is selected from the group of xanthan gum, Acrylates/Beheneth-25 Methacrylate Copolymer, and combinations thereof, and is present in an amount of from about 1% to about 10% by weight based on the total weight of the gel-like part, wherein the thickener in the oxidizing part is present in an amount of from about 1% to about 10% by weight, based on the total weight of the oxidizing part, wherein the oxidizing agent is present in an amount of from about 3% to about 12% by weight, based on the total weight of the oxidizing part, wherein the pH of the gel-like part is from about 9 to about 11, and wherein the pH of the oxidizing part is from about 2 to about 4.

### Claim 19 (depends on 1)

The two-part cosmetic composition for changing color of keratinic fibers according to claim 1, wherein the oxidizing part is free of xanthan gum.

### Claim 20

A two-part cosmetic composition for changing color of keratinic fibers, the two-part cosmetic composition comprising:
(a) a gel-like part having a pH of from about 8 to about 12 and comprising,
an oxidative dye precursor, and
a thickener selected from the group of xanthan gum, PEG-150/Decyl Alcohol/SMDI Copolymer, Acrylates/Steareth-20 Methacrylate Crosspolymer, Acrylates/Steareth-20 Methacrylate Copolymer, Acrylates Copolymer, Acrylates/Ceteth-Itaconate Copolymer, Acrylates/Beheneth-25 Methacrylate Copolymer, and combinations thereof;
(b) an oxidizing part having a pH of from about 1 to about 5 and comprising,
an oxidizing agent, and
a thickener selected from the group of PEG-150/Decyl Alcohol/SMDI Copolymer, PEG-150/Stearyl Alcohol/SMDI Copolymer, Acrylates/Vinyl Neodecanoate Crosspolymer, Acrylates/Steareth-20 Methacrylate Crosspolymer, Acrylates/Steareth-20 Methacrylate Copolymer, Acrylates Copolymer, Acrylates/Beheneth-25 Methacrylate Copolymer, and combinations thereof,
wherein the two-part cosmetic composition has a viscosity of from about 1000 to about 200000 mPa·s measured using a Brookfield rotating spindle viscometer Model RVT at about 4 rpm and from about 20 to about 25° C.
