Black face doll is a skin whitening and rejuvenation method that generally has very few side effects. Some rare side effects may be seen clinically, such as mild pain, dry skin and skin redness, heat, local burns or swelling. It is recommended that candidates should visit a regular hospital to try to avoid side effects. This whitening method mainly involves the application of a layer of black toner on the face, which can lead to facial darkness. After applying the black toner, it can help adsorb the keratin as well as dirt in the skin to achieve the effect of whitening the skin. It can also be blasted by laser to break up the toner, making the skin whitening effect even more desirable. The current generation of black face doll and laser can have the anti-inflammatory and sterilization, control the secretion of sebaceous glands and shrink pores.