公开(公告)号：EP4316601A1

公开(公告)日：2024-02-07

申请号：EP22781207.0

申请日：2022-03-31

申请人： B. Pro Co., Ltd. ,  Biotop Maya Co., Ltd. ,  SO Pharma Inc. ,  Diana Co., Ltd.

发明人： TANAKA Yoshinobu ,  TSUJINO Yoshio

IPC分类号： A61Q5/00 ,  A61Q5/02 ,  A61Q5/04 ,  A61Q5/06 ,  A61Q5/08 ,  A61Q5/10 ,  A61Q5/12 ,  A61K8/37 ,  A61K8/46

摘要： [Object] There has been a demand for a hair treatment composition that has a long-lasting effect and ensures safety for the purpose of improving hair quality in hair straightening, dyeing, and bleaching, improving hair quality in a wave perm and a straight perm, shampooing, and hair treatment.
[Solution] The present invention provides a hair treatment composition that contains, as an active ingredient, a complex composed of a dicarboxylic acid and a thiol, in which the dicarboxylic acid is one or more selected from adipic acid, muconic acid, and cosmetically acceptable salts thereof. Further provided is a method for treating hair using the hair treatment composition.