The laser emits an invisible light which penetrates the skin without damaging it. At the hair follicle, the laser light absorbed by the pigments is converted into heat. This heat will damage the follicle.
Laser hair removal. Vector diagram
The laser emits an invisible light which penetrates the skin without damaging it. At the hair follicle, the laser light absorbed by the pigments is converted into heat. This heat will damage the follicle.