Skin darkness melanin more make whitening methods include: chemical peeling, photoelectric treatment, daily care and so on. 1. Chemical peeling: the general use of fruit acids, salicylic acid and other drugs applied externally, these drugs can accelerate the skin metabolism, promote the discharge of melanin cells, which in turn play a role in whitening, but also improve acne, acne marks, skin roughness and other issues. However, these products need to be operated by a professional dermatologist to avoid overuse and injury to the skin. 2. Photoelectric treatment: including photon, picosecond, fractional and other laser treatments, you can use the laser to directly act on the melanin cells that have been synthesized, using the light to destroy and shatter the melanin, and then the melanin cells are discharged from the body after the destruction, so as to achieve whitening and skin rejuvenation effects. 3. Daily care: daily care mainly includes the reasonable use of skin care products moisturizing to maintain skin oil balance, regular work and rest, avoid staying up late, go out and pay attention to sunscreen, the use of sunscreen and umbrellas, sun exposure is the main reason for the formation of melanocytes. It is recommended that the patient reasonable daily skin care and pay attention to sunscreen, and at the same time recommended to the regular hospital dermatology department for standardized treatment.