YH offers a wide selection of wavelengths that represents the latest hair removal technology. In hair removal treatments, the target to be destroyed is the hair follicle. The light is absorbed by the melanin contained in the hair which acts as an “intermediary” to transmit damaging heat inside the follicle.protecting the tissues from undesirable side effects at the same time.The technology in YH’s hair removal solutions achieves maximum results for all areas of the body and face, with treatments that are safe, quick and, best of all, virtually painless. They are suitable for use on light, dark or tanned skin, and on coarse or fine hair.