Shampoo is with anion, non-ionic surface active agent is main raw material to provide deconvolution and foam action, and the main raw material that protects hair element is cationic surface active agent. After shampoo washes hair, reoccupy protects hair element, it can neutralize the molecule that remains to take anion in the hair surface, form single molecule membrane, and make the hair that tangles is obedient, comb easily
