Method for reducing colour wash-out from artificially coloured hair wherein a cleansing composition comprising 5 to 50% by weight, calculated to the total composition, foaming surfactant and at least one cationic surfactant of the general structure
where R4 is a saturated or unsaturated, branched or linear alkyl chain with 8-22 C atoms, R5, R6 and R7 are H or a saturated or unsaturated, branched or linear alkyl chain with 1 to 4 C atoms or saturated or unsaturated, branched or linear C2 to C4 alkyl chain with one or more substituent, preferably a hydroxyl substituent and X is typically an anionic such as chloride, bromide and methosulfate, is applied onto hair and rinsed off from hair with water.
减少人工着色头发洗掉颜色的方法,其中的清洁组合物包括发泡表面活性剂和至少一种一般结构的
阳离子表面活性剂,按重量计,占组合物总量的 5-50%。
其中 R4 是具有 8-22 个 C 原子的饱和或不饱和、支链或直链烷基链,R5、R6 和 R7 是 H 或具有 1-4 个 C 原子的饱和或不饱和、支链或直链烷基链,或具有一个或多个取代基(最好是羟基取代基)的饱和或不饱和、支链或直链 C2 至 C4 烷基链,X 通常是阴离子,如
氯化物、
溴化物和甲
硫酸盐。