Granted Patent B2

US 8,617,256 · App. 13/851,835 · Granted Dec 31, 2013

Abstract

Claims (35)

1. A hair colorant composition comprising:

(a) a first dye coupler consisting of 3-amino-2,6-dimethylphenol;

(b) a second dye coupler selected from the group consisting of 2,6-dihydroxyethylaminotoluene, 2,6-diaminopyridine, cosmetically acceptable salts of any of these, and mixtures of at least two of these;

(c) a developer selected from the group consisting of 4-aminophenol, 4-amino-3-methylphenol, 4-(methylamino)phenol, cosmetically acceptable salts of any of these, and mixtures of at least two of these; and

(d) an oxidizing agent.

2. The hair colorant composition of claim 1 , wherein said developer is 4-aminophenol.

3. The hair colorant composition of claim 1 , wherein said oxidative hair colorant composition is devoid of 5-amino-2-methylphenol.

4. The hair colorant composition of claim 1 , comprising by weight, based on the weight of the hair colorant composition:

from about 0.001% to about 6% of said first dye coupler;

from about 0.001% to about 6% of said second dye coupler;

from about 0.001% to about 6% of said developer; and

from 0.1% to 10% of said oxidizing agent.

5. The hair colorant composition of claim 1 , wherein said oxidizing agent is selected from the group consisting of hydrogen peroxide, inorganic or organic alkali-metal peroxides, per salts, inorganic perhydrate salts, alkyl or aryl peroxides or peroxidases, oxidases, uricases, percarbonates, persulfates, peroxymonocarbonates, and mixtures thereof.

6. The hair colorant composition of claim 5 , comprising by weight, based on the weight of the hair colorant composition, a total of from about 0.001% to about 6% of said developer, said first dye coupler, and said second dye coupler.

7. The hair colorant composition of claim 1 , further comprising an alkalizing agent.

8. A method of treating hair, said method comprising:

(i) providing a tint composition comprising:

(a) a first dye coupler consisting of 3-amino-2,6-dimethylphenol;

(b) a second dye coupler selected from the group consisting of 2,6-dihydroxyethylaminotoluene and 2,6-diaminopyridine, cosmetically acceptable salts of any of these, and mixtures of at least two of these; and

(c) a developer selected from the group consisting of 4-aminophenol, 4-amino-3-methylphenol, 4-(methylamino)phenol, cosmetically acceptable salts of any of these, and mixtures of at least two of these;

(ii) adding to said tint composition an oxidizing composition comprising an oxidizing agent to form a haircoloring composition;

(iii) contacting said hair with said haircoloring composition.

9. The method of claim 8 , further comprising separating a hair bundle from said hair, wherein said contacting of said hair comprises contacting said hair bundle with said haircoloring composition.

10. The method of claim 8 , wherein said hair is selected from the group consisting of a whole head of said hair, a root portion of hair, and a hair bundle separated from a whole head of hair.

11. A haircoloring kit comprising:

(i) an individually packaged oxidizing composition comprising an oxidizing agent;

(ii) an individually packaged tint composition comprising:

(a) a first dye coupler consisting of 3-amino-2,6-dimethylphenol;

(b) a second dye coupler selected from the group consisting of 2,6-dihydroxyethylaminotoluene and 2,6-diaminopyridine, cosmetically acceptable salts of any of these, and mixtures of at least two of these; and

(c) a developer selected from the group consisting of 4-aminophenol, 4-amino-3-methylphenol, 4-(methylamino)phenol, cosmetically acceptable salts of any of these, and mixtures of at least two of these.

12. The haircoloring kit of claim 11 , further comprising instructions for forming a haircoloring composition from the oxidizing composition and the tint composition.

13. The haircoloring kit of claim 11 , further comprising instructions for contacting hair with the haircoloring composition.

14. The haircoloring kit of claim 11 , further comprising an object selected from the group consisting of a mixing bowl, an application device, a dispensing device, gloves, hair-strand separators, and combinations thereof.

15. The haircoloring kit of claim 11 , wherein said oxidizing agent is selected from the group consisting of hydrogen peroxide, inorganic or organic alkali-metal peroxides, per salts, inorganic perhydrate salts, alkyl or aryl peroxides or peroxidases, oxidases, uricases, percarbonates, persulfates, peroxymonocarbonates, and mixtures thereof.

16. The haircoloring kit of claim 11 wherein said tint composition further comprises an alkalizing agent.

Assignments (8)