sylfirm x SX Radiofrequency(RF) Microneedling SX Radiofrequency(RF) Microneedling delivers RF energy to the targeted tissue using bi-polar non-insulated ultrafine 300 micron needles. Precise thermal coagulation is created by using evenly-leveled electrodes to penetrate the accurate target depth, in order to induce optimal results with extra effectiveness.   How does SX Radiofrequency(RF)...