| 摘要 |
The present invention aims to provide a reducing agent for straightening curly hair that can deal with various kinds of hair damage and various degrees of curling and a process for straightening curly hair, which does not cause breaking and insufficient straightening of curly hair. Specifically, the present invention relates to reducing agent for straightening curly hair comprising (A) ammonium thioglycolate and/or monoethanol amine thioglycolate, (B) at least one cysteine selected from the group consisting of L-cysteine, DL-cysteine, N-acetyl-L-cysteine, L-cysteine monohydrochloride and DL-cysteine monohydrochloride, (C) monoethanol amine and (D) ammonium hydrogen carbonate and/or ammonia; wherein the weight ratio of (C)/(D) is 1 to 15.
|
