PRIMARY AGENT FOR STRAIGHTENING CURLY HAIR, CURLY HAIR-STRAIGHTENING AGENT AND METHOD OF STRAIGHTENING TREATMENT OF CURLY HAIR

摘要

PROBLEM TO BE SOLVED: To provide a primary agent for a curly hair-straightening agent capable of inhibiting the damage of the hairs on a curly hair-straightening treatment and having an excellent curly hair-straightening function, a curly hair-straightening agent containing the primary agent for the curly hair-straightening agent as a constituting element, and a method of straightening treatment of the curly hair by using the curly hair-straightening agent.;SOLUTION: This primary agent for straightening the curly hair is characterized by blending at least ≤4.5 mass% reducing agent in terms of thioglycolic acid, ≥1 mass% dithioglycolic acid or its salt, further a polyoxyethylene alkyl ether phosphoric acid ester or its salt and a phosphoric acid ester other than the polyoxyethylene alkyl ether phosphoric acid ester, and having pH≤5.;COPYRIGHT: (C)2007,JPO&INPIT