Have what side effect hardly, very safe, this is a when colour light tender skin treats very big advantage. But with any cure same, treating itself have two sides sex, photon is the remedial method with first-rate disease of skin of remedial pigment sex on one hand, but also have the potential risk that poses change of skin pigment sex. Human body is additionally individual be to have very big difference, little part person may appear pigment is ad cool-headed spot, few number person may appear rash of acne appearance hair and blister. So cure should undertake in normal hospital, do not permit abuse. The sort of say colour light tender skin into absolute safety, infinite exaggerated curative effect, the way that has treatment in beauty parlour even is irresponsible, should give correct.