... expected. The energy of Radio Frequency can reach the middle and deep layer of the skin and heat ... wave and IPL heat energy, to increase dermis layer temperature, stimulate collagen fibre rebirth and rearrangement, ... to penetrate hypodermal 15MM, acts on dermis layer, and very low influence on epidermis, collects ... energy, it can act on different deep layer, not single energy, so it can make sure more ...