Oct. 20, 2020
Because laser hair removal uses the preferential absorption of laser light by the pigment in the hair follicles for treatment, people with black skin may also absorb part of the laser energy during treatment, which will cause certain damage to the skin.
Sep. 29, 2020
You didn't shave first. Lasers heat hair to damage the stem cells in hair follicles, but if the hair is too long, the laser can burn your skin. That's why "you want hair in the follicle but not above the skin," says Frank.