2 In 1 755 808 1064nm Diode Laser Hair Removal Pico Laser Tattoo Pigment Removal MachinePrinciple The 808nm semiconductor laser hair removal system uses its unique long pulse width laser to penetrate the epidermis to the hair follicle. According to the selective light absorption principle, the energy of the laser is preferentially absorbed by the melanin in the hair, and the hair loses its ability to regenerate. During the treatment, the unique sapphire dynamic cooling technology of the system makes the epidermis anesthetized in a short