... Principle:Applying the technology of IPL and Bi0-polar Radio Frequency, the system acts on the entire corium layer, epidermal layer and ... , bio-polar RF release about 10MHZ redio wave, high frequency vibration makes the skin molecule creating heat energy by friction ... of painless, non-invasive,traceless, no recovery period.5. High frequency of short treatment time, quick effect, and long maintenance.6 ...