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Compositions for Dyeing Hair with Cationic Direct Dyes
专利权人:
发明人:
Guiru ZHANG,Bryan Patrick MURPHY,Peter Marte TORGERSON
申请号:
US15072479
公开号:
US20160271030A1
申请日:
2016.03.17
申请国别(地区):
US
年份:
2016
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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