? How to remove birthmarks without leaving scars: The safest and most effective way to remove birthmarks now is to remove birthmarks by laser, which makes up for the shortcomings of traditional birthmarks and can play a safe and effective removal effect. Laser treatment of birthmarks is to use the heat generated by laser irradiation to destroy abnormal pigment cells or blood vessels in the skin, without damaging normal epidermal cells and other tissues in the dermis, so as to effectively remove stains or vascular lesions without leaving scars, making our skin look more delicate and without any sequelae.