Facial hair can be permanently removed by laser. Some patients have thick facial hair, which may affect the aesthetics, then the patient can be removed permanently by laser under the guidance of the doctor. The principle of laser facial hair removal is that through the photothermal effect of the laser, it penetrates into the dermal layer of the skin, thus acting on the hair follicles of the skin and inhibiting the growth of hair. However, laser hair removal cannot achieve the purpose of eradicating hair at one time, and usually requires several treatments to achieve the desired effect. And after laser hair removal, patients can make appropriate cold compress, usually also need to do a good job of skin moisturizing and sunscreen. For facial hair is more serious, conscious of the impact of aesthetic patients, it is recommended to timely to the regular hospital for examination, under the guidance of a professional doctor for laser treatment.