Pulsed light hair removal is the use of intense pulses of light generated by intense pulsed light hair removal products to irradiate the skin, so that the hair follicle and the surrounding tissues due to increased temperature and structural changes, thus inhibiting the growth of hair or make the hair shrivel and fall off. The use of Intense Pulsed Light Hair Removal may cause pain, redness, edema, and discoloration, which will gradually subside over time, but you need to pay attention to sun protection during the recovery period. In addition, since hair removal requires the adjustment of energy density and pulse width according to skin color, hair location, hair color, hair thickness, hair density, etc., it is necessary for professional and experienced doctors to carry out the treatment operation, so as to ensure the reduction of postoperative complications. In addition, it should be noted that intense pulsed light is only effective for hair in the anagen phase, and is not effective for hair in the degenerative and quiescent phases. Moreover, hair growth cycles in different parts of the body are different, and the treatment intervals and number of treatments are also different, so hair removal needs to adhere to the course of hair removal. Precise treatment for the specific conditions of the individual in order to get good hair removal results.