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Title:
FIRST AGENT COMPOSITION FOR DYEING HAIR
Document Type and Number:
WIPO Patent Application WO/2019/088134
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a first agent composition for dyeing hair, which exhibits high preparation stability even when being stored for a long period of time. In order to solve this problem, provided is a first agent composition for dyeing hair, characterized by containing: (A) an oxidizing dye to which sulfuric acid is added; (B) a sodium alkylsulfate which has 14 or more carbon atoms; and (C) a higher alcohol, wherein the content of component (A) is 2-10 mass%. Thus, the effect of having high preparation stability can be provided even when the content of the oxidizing dye to which sulfuric acid is added is increased.

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Inventors:
TESHIGAWARA TAKU (JP)
ENDO MIYUKI (JP)
ENDOH TOMOHIKO (JP)
Application Number:
PCT/JP2018/040407
Publication Date:
May 09, 2019
Filing Date:
October 30, 2018
Export Citation:
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Assignee:
HOYU KK (JP)
International Classes:
A61K8/06; A61K8/46; A61K8/34; A61K8/41; A61Q5/10
Foreign References:
JP2007520499A2007-07-26
JPH09100222A1997-04-15
JP2002167311A2002-06-11
Attorney, Agent or Firm:
TOKKYOGYOMUHOJIN YUKON (JP)
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