... rejuvenation 3.Ance, Wrinkle, Scar removal 4.CE listed Micro Needle Roller for Facial Skin TreatmentTake Hongnice,Take Beauty *Working Theory:Micro ... inlayed with 192 or 540 slender steel needles, regularly rolling in the places which need to cure, it can puncture ... epidermal within five minutes, form a efficient nutrient delivery system in the epidermis and subcutaneous tissue, with which the active ...