Some people will have spots on their face at a very young age, so they will have low self-esteem. Some laser treatment is deeper, so the recovery will be slower, and even some small scars will be left, but such cases are relatively rare. 2.This method has little effect on normal skin tissues, laser is a kind of selective light source that can act on different skin tissues, as long as you use specific wavelength light source, you can ensure that it only has effect on pigmentation. In addition, you need to replenish the moisture of the skin after the operation, and you cannot put on makeup before the scabs fall off, and do not forcefully tear off the scabs. You must choose a regular hospital and an experienced doctor to achieve better results.