Aw3 bi polar and tripolar are radiofrequency technologies used to tighten and induce collagen production for skin tightening wrinkle reduction acne scarring and to minimize pores the radio frequency produces two or three currents depending on whether it is bipolar or tripolar which alternate high and low frequency currents no less than a thousand times per second this heats the deeper skin tissues to promote blood circulation to tighten the skin at the same time the cooling measures are