... lifting 4. wrinkle Monopole Radio Frequency face lift Equipment :Features:1. Double Rf system:0.3MHz or 0.5MHz for choice, ... fatigue of whole body Working theory: Monopolar RF takes that epidermis balances normal temperature, RF electric wave produces heat into deep skin ... based on assurement of skin comfortable, harmless, it uses RF electric wave to produce heat exchange, precisely attains skin deep ...