beauty microneedle roller 2 in 1 rf micro needling machine with four needles cold hammer firming acne scars stretch mark removal

high end microneedling fractional rf system, combines gold micro-needle and needletechnology for skin resurfacing, scar removal, a breakthrough for dramatic change in lines, wrinkles. non insulated needles: equal therapy to epidermis and dermis layer precise depth control: 0.3-3mm in unit of 0.1mm. 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..syi