Permanent beard removal can usually be treated with laser hair removal. Laser hair removal includes electro-acupuncture hair removal, YAG laser hair removal, Jade Gemstone laser hair removal, Semiconductor laser hair removal, and Ice Hair Removal. 1. Electro-needle hair removal: inserting an electro-needle into the hair follicle, destroying the hair follicle and the tissues around the hair follicle after electrifying the hair follicle. 2. YAG laser: laser through selective photothermal effect, melanin absorption of laser, can effectively destroy the hair follicle pigment cells, destruction of hair follicles. 3. Jade gemstone laser: the wavelength is 755nm, mainly destroying hair follicles. 4. Semiconductor laser hair removal: wavelength of 800nm and 810nm, this method is currently the mainstream method. After the laser, you must do a good job of local care. In the short term, do not touch the water, do not use hands to rub, go out and do a good job of sun protection measures to avoid long-term exposure to ultraviolet radiation and cause pigmentation, but also try to eat less spicy and stimulating food.