| abstract |
The hair deformation treatment agent of the present invention contains components (A) to (C), and the molar ratio (B) / (A) of the content of component (B) to the content of component (A) is 0.01 or more and 5 or less.nn n n (A) Glyoxylic acid or its hydrate or saltnn n n (B) Compound represented by formula (1)nn n n n n n n n n n [R 1 represents H or methyl, X represents H, OH or methoxy, Y represents H, O, OH or methoxy, Z represents H, alkyl, etc., R x represents H, O, methoxy, etc. , R y represents H, OH, aromatic hydrocarbon group, etc., the dashed line indicates that it can be a double bond]n n n (C) Water |