COMPOSITIONS FOR DYEING HAIR WITH CATIONIC DIRECT DYES

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专利权人:

发明人:

申请号：

EP16714650.5

公开号：

EP3271027A1

申请日:

2016.03.17

申请国别(地区):

EP

年份:

2018

代理人:

摘要：

Described herein is a hair color composition for dyeing the hair. The hair color composition includes one or more direct dye compounds and one or more additional ingredients. The one or more direct dye compounds each include a chromophore, one or two permanent cations, and one to four incipient cations. The one to four incipient cations are pendant to the core structure and are neutral. The one or more direct dye compounds enter the hair shaft after the hair color composition is applied to the hair. The hair color composition has a pH of from about 7 to about 11.

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中国工程科技知识中心

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http://www.ckcest.cn/home/