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US 2003/0215410 A1Published application
Hair straightener composition
AssigneeKao Corporation
InventorYuji Hirano
Life of this patent
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Abstract
Provided is a hair straightener composition comprising a diamide compound (1) and an alkali agent and having a pH of from 12 to 14 when diluted to 10 times with water. 1 wherein, R1: a C1-12 hydrocarbon group which may be substituted by a hydroxy and/or alkoxy group, R2: a divalent C1-5 hydrocarbon group, and R3: a divalent C1-22 hydrocarbon group. The hair straightener composition of the present invention causes little hair damage upon treatment therewith.
Claims1
A hair straightener composition, which comprises the following components (A) and (B):
- (a) a diamide compound represented by the following formula (1):
- 5
- wherein, R1 represents a linear or branched C1-12 hydrocarbon group which may be substituted by a hydroxy and/or alkoxy group, R2 represents a linear or branched divalent C1-5 hydrocarbon group, and R3 represents a linear or branched divalent C1-22 hydrocarbon group, and
- (B) an alkali agent, and
- has a ph of from 12 to 14 when diluted to 10 times with water:
2 more elements
Dependencies are inferred from the claim text.