Hello, laser hair removal is not harmful to the body. The laser can directly penetrate the skin and reach the hair follicles without burning the skin. Since everyone's physical condition is different, their feelings of pain are also different. Before laser hair removal, you should clean and disinfect the area to be hair removed and wrap ice cubes in a towel. Applying cold compress to the hair removal area can reduce the pain. After laser hair removal, you should disinfect it with alcohol and apply some anti-inflammatory agent on the hair removal area. Ointment to avoid causing inflammation, it is recommended that you go to a regular hospital.