Laser can be used to remove any colors of tattoo pigment and birthmarks from the skin. Laser treatment for tattoo and birthmark removal works by delivering high powered laser beams on the affected area of the skin which get absorbed by the pigment of your tattoo work/birthmark. This makes your tattoo pigments to break into some small particles which are then removed by the immune system of your body.This laser beam acts only on the color/pigment of your tattoo/birthmark and does not cause any damage to the surrounding skin.
Depending on the size and color of the tattoo or birthmark, the number of treatments will vary. Generally 2-4 sessions are required to remove tattoo or birthmarks, though more sessions may be necessary depending on individual situation.