RF adopts the most advanced technology--fifth generation RadioFrequency technology and skin cool system technology, with15,000,000 per second RF, permeating the dermis layer of skin andstimulating the H2O molecules, made them produce large energies.When the temerature arrive at 68???-72???,it will make the collagencontract immediately and reborn chronically. Then the skin willbecome more smooth, and the wrinkle will disappear.