Many people have birthmarks on their faces, not particularly big, but not small. Then I heard that the effect of laser treatment is better, but I don't know how long it will take for laser to remove birthmarks. The following experts from Wuxi Meilianchen Plastic Surgery Hospital introduce you, hoping to help you. Birthmark is generally a cutaneous hemangioma, which is common in the skin of head and neck, but it can also occur in mucosa, liver, brain and muscle, and is often found at birth or shortly after birth. Using laser to remove birthmarks mainly uses the heat generated by laser irradiation, which can destroy abnormal pigment cells or blood vessels in the skin without damaging normal epidermal cells and other tissues in the dermis, thus effectively solving the birthmark problem and leaving no scars. ? According to American experts, the frequency of laser treatment mainly depends on the degree of birthmark lesions, with an average of about 4 to 7 times, once every 3 months, which can prolong the time interval of laser treatment and be more conducive to the complete disappearance of pigmentation. During the treatment of birthmark, if you can't insist on the treatment due to physical and work factors, the treatment interval can be appropriately extended by 1~2 years, and the treatment effect will not be affected.