... PrincipleApplying the technology of IPL and Bi-polar Radio Frequency, the system acts on the entire corium layer, epidermal layer and ... bio-polar RF release about 10 MHZ radio wave, high frequency vibration makes the skin molecule creating heat energy by friction ... quick effect, and long maintenance. 6. Safety, with corium cooling system of pertinency adjustable. 7. Double hand piece (SR, HR), make ...