... body RF skin tightening machine,vacuum&RF&laser 3 in 1 system,for skin tightening,skin lifting,fat ... Thermage system?It uses 650nm specific wave beam in auxiliary of vacuum negative pressure, stimulates and ... instantly when the skin is sucked in, the frequency of 1-2.66MHz bipolar RF will heat ... the dermis and subcutaneous fat layer.After absorbing the heat, triglyceride in ...