Guiru Zhang,Bryan Patrick Murphy,Peter Marte Torgerson
申请号：
US15817726
公开号：
US20180071189A1
申请日:
2017.11.20
申请国别(地区):
US
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, one to four incipient cations, and one or more hydrophobic moieties. The 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.
