Title:
HAIR STRAIGHTENING TREATMENT AGENT, METHOD FOR PRODUCING HAIR STRAIGHTENING TREATMENT AGENT, AND HAIR TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2020/250335
Kind Code:
A1
Abstract:
Provided is a hair straightening treatment agent that does not include thioglycolic acid or glycolic acid. This hair straightening treatment agent is characterized in that a solvent, orthophosphoric acid, and an alkaline agent are included, and thioglycolic acid and glycolic acid are not included, wherein the solvent is water, and the content of the orthophosphoric acid is 5-14 mass%, and the pH of the hair straightening treatment agent is 2.5-7.0. Orthophosphate has high stability during storage, thereby being capable of maintaining the quality of the hair straightening treatment agent for a long period of time. Since the hair straightening treatment agent does not include thioglycolic acid or glycolic acid, damage can be avoided and hair can be straightened while preventing discoloration of colored hair.
Inventors:
KIMURA HITOSHI (JP)
Application Number:
PCT/JP2019/023250
Publication Date:
December 17, 2020
Filing Date:
June 12, 2019
Export Citation:
Assignee:
ADVANCE INC (JP)
International Classes:
A61K8/24; A61K8/19; A61K8/42; A61K8/64; A61Q5/04
Foreign References:
| JP2013528158A | 2013-07-08 | |||
| JP2007176796A | 2007-07-12 | |||
| JP2014189528A | 2014-10-06 | |||
| JP2019077620A | 2019-05-23 | |||
| JP2013079213A | 2013-05-02 | |||
| JP2001247436A | 2001-09-11 | |||
| JP2009537618A | 2009-10-29 |
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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