The epidermis after having exfoliative fractional laser will be scabbed and there will be a recovery period, so patients can choose whether to take a vacation and rest according to their own situation. Exfoliative fractional laser is a common laser treatment method that utilizes the photothermal principle of laser light to irradiate the dermal layer of the skin, stimulating the dermal collagen damage and then repairing it, and mainly plays a role in tightening and rejuvenating the skin and reducing the size of pores. After the peeling fractional laser epidermis will crust, need to have a recovery period, in the 3-5 days after treatment, the treatment area can not be wet, after that you can clean your face with water, the crust will gradually fall off with water, the crust completely fall off the time of about 7-14 days, individual patients may have redness on the surface of the wound or the phenomenon of discoloration, so you need to take care of the later stages of scientific care. If you have skin problems and need to do fractional laser treatment, it is recommended to choose a regular hospital for treatment.