White scars do not usually recover completely after laser treatment, but they can be improved. White scars usually refer to scarring with pigment loss that remains after the healing of a skin lesion. Any type of scarring once formed cannot disappear, but can be improved by laser treatment. Laser treatment of scarring causes slight thermal damage to the skin through the photothermal effect of the unique wavelength of laser light, which initiates the skin’s damage re-repair process and stimulates the production and rearrangement of subcutaneous collagen, thus playing a role in fading scarring; however, the severity of scarring varies, and the number of times that laser treatment is required varies as well. After laser treatment of scars, you must do a good job of sun protection measures to avoid ultraviolet radiation, which can easily lead to hyperpigmentation. It is recommended that patients who are willing to be treated go to a regular hospital and follow the advice of a specialist to avoid adverse consequences.