Common CO2 laser, freezing, UHF electricity, chemical stripping, etc. It is difficult to grasp its depth, and it is easy to leave scars or incomplete treatment. Common acquired pigmented nevus and common blue nevus do not need treatment. If they occur in areas that are prone to friction and damage, it is best to perform surgical resection. Small skin injuries can also be treated by ultra-pulsed CO2 laser and/or Q-switched laser.

I suggest you go to the plastic surgery department of Shanghai Huadong Hospital, tel: 0 2 1 -6 2 4 8 3 1 8 0.