Hi My friend has been burned when she was 3years old ,she undergo surgeries to transplant skin graft in her face ,now she is 24 years old ,her face is recover but there is differences in the skin color and pigmentation ,she spend at least one hour a day to put a profossinal make up to undercover this differences in pigmentation Is there a method or surgery that can help her ,we have heard about laser bleaching ,is it effective in skin grafted skin ?Thanks