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US 2017/0196792 A1Published application
Hair-dye composition
AssigneeKao Corporation
InventorMasayoshi NOJIRI
Life of this patent
Estimating the term…
Abstract
A hair dye composition comprising the following components (A) and (B), in which the mass ratio of the component (B) to the component (A), (B)/(A), in a whole composition is 1 or more and 100 or less and the pH (25° C.) during application is 7.5 to 12: (A): one or more azo dyes selected from the group consisting of the following (A-1), (A-2) and (A-3) (B): 2-amino-2-methylpropanol.
Claims15
1-11. (canceled)
12:
- A hair dye composition comprising the following components (A) and (B), wherein a mass ratio of a component (B) to a component (A), (B)/(A), in a whole composition is 1 or more and 100 or less and pH (25° C.) during application is 7.5 to 12:
- (A):
- one or more azo dyes selected from the group consisting of the following (A-1), (A-2) and (A-3):
- (B):
- 2-amino-2-methylpropanol.
2 more elements
13:
- The hair dye composition according to claim 12, wherein a content of the component (A) in the whole composition is 0.01 mass % or more and 5 mass % or less.
14:
- The hair dye composition according to claim 12, wherein a content of the component (B) in the whole composition is 0.01 mass % or more and 10 mass % or less.
15:
- The hair dye composition according to claim 12, further comprising a surfactant.
16:
- The hair dye composition according to claim 15, wherein the surfactant is at least one member selected from the group consisting of an anionic surfactant, a cationic surfactant, a nonionic surfactant and an amphoteric surfactant.
17:
- The hair dye composition according to claim 15, wherein a content of the surfactant in the whole composition is 0.01 mass % or more and 30 mass % or less.
18:
- The hair dye composition according to claim 16, wherein the anionic surfactant is one or more member selected from the group consisting of an alkyl sulfate salt, an alkyl ether sulfate salt, a saturated fatty acid salt and an alkyl ether carboxylate salt.
19:
- The hair dye composition according to claim 12, further comprising a cationic polymer.
20:
- The hair dye composition according to claim 19, wherein the cationic polymer is a polymer containing a diallyl quaternary ammonium salt as a building block.
21:
- The hair dye composition according to claim 19, wherein a content of the cationic polymer in the whole composition is 0.01 mass % or more and 5 mass % or less.
22:
- The hair dye composition according to claim 12, further comprising a higher alcohol having 12 or more carbon atoms.
23:
- The hair dye composition according to claim 22, wherein a content of the higher alcohol is 3 mass % or more and 11 mass % or less.
24:
- A method for dyeing hair, comprising:
- applying the hair dye composition according to claim 12 to the hair, allowing the composition to stand for 1 to 60 minutes and washing away the composition.
25:
- A hair dye composition comprising the following components (A) and (B), wherein a mass ratio of a component (B) to a component (A), (B)/(A), in a whole composition is 5 or more and 100 or less and pH (25° C.) during application is 7.5 to 12:
- (A):
- one or more azo dyes selected from the group consisting of the following (A-1), (A-2) and (A-3):
- (B):
- 2-amino-2-methylpropanol.
2 more elements