White porcelain doll refers to the porcelain white laser skin rejuvenation and whitening technology, using a special laser wavelength, conducted to the dermis of the skin, stimulating the renewal and vitality of skin cells, so that collagen and elastic fibers to restore, so as to achieve the removal of wrinkles, skin whitening, shrink pores and other multiple skin beauty effects. However, it is not a 100% safe and effective cosmetic means, and the following side effects may occur after treatment: 1. skin redness and swelling: after treatment, the skin may experience a brief period of slight redness, swelling and burning pain caused by the absorption of light and heat by the skin tissue, which will gradually subside after a few hours; 2. skin dryness: during the procedure, the skin temperature rises and some water and nutrients will be lost, plus the skin keratin is slightly damaged and the water locking capacity decreases. Ability to decline, after treatment will have dry skin, tight feeling; 3, skin infection: some small beauty institutions equipment disinfection is not complete, coupled with improper post-operative care, wound infection may occur; 4, post-operative scar: after white porcelain doll irradiation, the skin will appear small crust, under normal circumstances 3-7 days will fall off on their own, but a few people belong to the keloid, after treatment may leave scars. If the scab is torn off by hand during the recovery process, it will also increase the risk of skin scarring.