Jamie Anthony Hawkes,David Malcolm Lewis,John Mama
申请号:
US14235788
公开号:
US20140190508A1
申请日:
2012.07.27
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A method of removing colour from hair that has been oxidatively dyed, the method comprising the steps of: (a) contacting the hair with a composition comprising a sulfur-containing nucleophile or a precursor thereof (b) contacting the hair with an acidic composition and (c) contacting the hair with an oxidising composition wherein there is no rinsing step between step (a) and step (b).