... pain during the treatment NEEDLE DEPTH:0.5mm, 1mm, 1.5mm Principle of PINXEL RF Ă˜PINXEL is minimal invasive fractional RF with 36 electrodes ... -modulation effect by combination treatment with fibroblast media through micro delivery hole, Micro electrodes make-scar, Acne, Pigmentation, PIH, Flushing, Whitening and ...