| abstract |
[PROBLEMS] To provide a human body with little damage to hair, semipermanently or permanently, not only straight hair shape but also wave and curl shapes can be added. A hair deformation treatment agent and a hair treatment method that can be easily changed to another style without using the treatment agent and without damaging the hair. The hair contains components (A) to (C), and the molar ratio (B) / (A) of the content of component (B) to the content of component (A) is not less than 0.01 and not more than 5 Deformation treatment agent. (A) Glyoxylic acid or hydrate or salt thereof (B) Compound represented by formula (1) [R 1 is H or methyl group, X is H, OH or methoxy group, Y is H, O, OH or methoxy group, Z is H, alkyl group, etc. R x is H, O, methoxy group, etc. R y Represents H, OH, an aromatic hydrocarbon group, etc., and the broken line represents a double bond. (C) Water [selection figure] None |