Laser hair removal mainly uses a special wavelength to act on the inside of the hair follicle, so that the internal structure of the hair follicle is damaged and the hair follicle shrinks to achieve the purpose of hair removal, the effect is good, there will be obvious stimulation to the skin surface. After laser treatment local skin will appear burning, erythema, itching, etc., serious cases will lead to irritating dermatitis with ulceration, individual laser hair removal can lead to hair follicle breakage, local easy to trigger irritating changes, will appear itching, scratching, scratching vicious cycle, resulting in hair removal parts of keratinization hyperplasia-like changes, but also chapped, pain, etc., it is recommended that you can use chilled mineral water ice compress after laser, you can also choose The use of saline soaked sterile gauze for wet compresses, the side effects of laser hair removal can be improved.