microneedling rf machine professional skin care face fractional radiofrequency 4 needle microneedle medical for facial lift

fractional rf needle system through the special design of many fractional needle point array, high speed digital motor controls order through the epidermis and the dermis accurate to control the depth of 0.25-3 mm when skin tissues through this process,the epidermal layer is safe,rf energy can well to penetrate to the dermis,stimulate collagen protein hyperplasia not only is the good way to improve the scars,but also long-term tightening induced the good method again by the end of lattice needle release rf,stimulate collagen and elastic tissue,and is not themal damage skin layer potentical..syi