Black face doll, also known as soft skin laser, is a black carbon powder as a substrate to make the face coated black, after penetrating into the pores, the carbon powder can adsorb dirt under the skin as well as keratin, and then use the laser for facial blasting, so as to achieve the effect of removing wrinkles, shrinking pores, lightening spots, improving skin tone, removing blackheads and acne, and lightening acne marks. Its high accuracy, fast results, good improvement effect on the skin, but also has certain risks, mainly in the following areas: 1, skin pain and flushing: the most common is local pain and skin flushing, and to have pigmentation lesion site obvious, avoid high dose in the same area, high intensity repeated operation; 2, skin fever: more common, after treatment can be promptly cooled with a cold pack for at least 20-30 minutes 3, dry skin: post-operative dry skin candidates can apply simple, effective moisturizing repair cream or cream after cleaning the skin at night; 4, local swelling: patients may experience mild local swelling after treatment, which can gradually subside a few days after surgery; 5, skin damage pigmentation, the scar formation.