Activator of surface of the cation that contains in catharsis things, anion, can remove the oily covering layer of flay skin surface, corrode the skin then, very big also to cutaneous harm.

• 洗涤用品中所含的阳离子、阴离子表面活性剂，能除去皮肤表面的油性保护层，进而腐蚀皮肤，对皮肤的伤害也很大。