HAWKES, JAMIE ANTHONY,LEWIS, DAVID MALCOLM,MAMA, JOHN
申请号:
CA2842556
公开号:
CA2842556A1
申请日:
2012.07.27
申请国别(地区):
CA
年份:
2013
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).