Ice point hair removal is the most advanced laser hair removal method, based on the principle of selective photothermal action, the laser can penetrate the surface layer of the skin to keep the hair follicle at a certain temperature, gently inactivate the hair follicle and the surrounding stem cells, through the selective absorption of laser energy, so that the hair follicle is damaged and cannot grow hair again, while not damaging the surrounding tissue. The process of ice point hair removal is simple, fast and generally leaves no scars after treatment, which can achieve permanent hair removal. However, it also has certain side effects, mainly including the following: 1, the time period is relatively long: most of the ice point hair removal requires multiple treatments; 2, may produce allergic reactions: people with more sensitive skin are prone to occur; 3, the skin after hair removal is easily stimulated, and the larger pores are also susceptible to pigmentation; 4, the hair removal area may produce slight redness, skin sensitivity and hot or itchy feeling after hair removal If you feel pain, you can use ice to reduce the pain, it is a normal reaction, in a few hours after the ice point hair removal treatment, the redness and swelling will subside and the skin will return to normal; 5, ice point hair removal is only suitable for people with lighter skin color but darker hair color, if the skin color is darker, the laser will destroy the skin pigment together and cause the formation of black spots or white spots.