The use of its unique long pulse width 810nm laser, penetrate the epidermis to the hair follicle site, according to the principle of selective light absorption; the use of hair follicles in the melanocytes in a specific band of light absorption of hair follicles to produce heat, and thus selectively damage the hair follicles, In the process of treatment, the system unique white stone dynamic cooling technology, so as to ensure that the epidermis will not be burned, to painless, to ensure that the skin can not be burned