... LOW VOLTAGE 4.OEM Non-ablative RF machine for skin lifting GL025 1.Warranty2.TUV CE, CE, ISO9000, ISO9001, ... safety and no wound.The collagen is the main structure of skin. However, the collagen and elastin will ... heat will accelerate the blood circle, lets the fibre structure shrink instantaneously, and stimulates the renewal of collagen. In ... effect. Non-ablative RF machine for skin lifting GL025