... role in depth of subcutaneous 15mm of energy, cooperate with RF RF stop hair growth, but it doesn't hurt your sweat ... , shrink pores, promote principle: use strong pulsed light skin with RF RF stimulate the dermis in a fiber organization, promote collagen albumen ... silk principle: use strong pulsed light skin lesions capillary solidification, RF RF can precisely lock, thus make the lesion site to play ...