The more commonly used methods to remove hair permanently without growing hair include laser hair removal. Laser hair removal is currently more commonly used as a method of hair removal, is through the laser instrument emits energy to act on the sweat hair parts, the subcutaneous hair follicle tissues will be destroyed, so that it loses the ability to regenerate, so as to achieve the effect of hair removal. Generally 5~8 times of treatment can effectively destroy the hair follicle, so that it will no longer grow new sweat hair, so the treatment effect is usually long-lasting. It is recommended that patients go to a regular hospital and find an experienced doctor to operate, otherwise there is a risk of improper operation of the skin burns, there may also be hyperpigmentation as well as infection and other problems.