Alexandertite Laser Hair Removal 755nm is commited to the gold standards for hair removal, due to the effective melan absorbtion, and the less side effects. Alexanderite Laser Hair Removal 755nm is based on the principle of selective light and heat, through a reasonable adjustment of laser energy and pulse width, laser can penetrate the skin to reach the hair follicles, and laser energy is absorbed and then transformed into heat by the hair follicle tissue, so that the hair loss of regenerative ability and from the surrounding tissue, so the hair will be removed permanently.