540 derma roller,titanium derma roller,derma roller;

Model: HL-RL01B Produce name: derma roller 40 derma roller Treatment Theory: Theory of Microneedle Therapy: Microneedle therapy uses a knead rod inlayed with slender steel needles, accompanying with functional nutrition liquid, regularly rolling in the places which need to cure, it can puncture more than 300, 000 micro vessels on the epidermal within five minutes, form a efficient nutrient delivery system in the epidermis and subcutaneous tissue, with which the active