Sweat hair is an appendage of the skin, which has the function of warmth and perspiration. Some people feel that the sweat hair on the skin is too thick to affect the beauty, want to remove it, and the ordinary hair removal cream will have new sweat hair after use, want to achieve permanent hair removal effect, the most commonly used permanent hair removal methods are laser hair removal, photon hair removal. The principle of action of both is basically the same, is through the irradiation of light will heat to reach the hair cells, will destroy it so that sweat hair no longer grow. There is also ice point hair removal, which is a new pulse pattern and repetitive frequency that keeps the hair follicle at a certain temperature and the hair follicle and surrounding stem cells inactive to achieve hair removal. These methods are fast, effective, safe and do not leave scars. It is important to note that you should not use hair removal creams, waxes and other sensitive products that stimulate the skin for half a month before the treatment. Some people will have local redness and slight pain after the treatment, which is normal, and the symptoms will disappear in 1-2 days without special treatment, if you feel the pain is serious, you can apply local ice to reduce the pain.