... the epidermal within ifve mins, from a eeficient nutrient delivery system in the epidermis and subcutaneous, with which the active ingredient ... be used to beauty, body slimming, hair regeneration, and effectively for skin anti-aging.II. Production Specifications* Roller Body: diameter ... rejuvenation of ruined skin1.5, 2.0, 2.5mm ( Use for solutions of thick wrinkle, large pore, injury scar, pimple scar ...