1. Theory(1) RFRadio frequency radio waves enter the deep part of the skin, and the internal natural resistance movement causes the skin to heat up. The use of dermal collagen cellulose immediately produce a contraction principle at 45 – 60℃, which can smooth wrinkles, tighten the skin and delay skin aging. (2) EMSElectrical Muscle Stimulation(EMS), also known as neuromuscular electrical stimulation(NMES) or electromyostimulation, is a protocal that elicits a muscle contraction using ele......
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