Scars return to normal skin color, normally it usually takes 3-6 months or even longer, depending on the person. Scars, also known as keloid scars, are the product of the healing process of human trauma or inflammation, which will affect the aesthetic appearance of the skin. Usually the repair process of proper care, local did not produce pigmentation or depigmentation, then the time to return to normal skin color will be shorter, light red generally 2-3 months to fade; but if there is pigmentation or depigmentation, pigmentation can be improved by drugs, photoelectric treatment, etc., can not guarantee a complete return to normal; pigmentation loss fractional laser can be a small improvement, generally will not return to normal. It is recommended that patients according to their own situation, to the regular medical institutions, under the guidance of professional physicians in the scientific norms of repair, the process requires strict sun protection.