derma roller micro needle roller

Product: derma roller micro needle roller Model Number: MRS-4 Description: Parameter: 1080needles -roller color:purple / red -Needle material: Titanium alloy needle -Body Material: Plastic, -Special a method of construction by lock-up -50% improvement of needle's strength than a normal material derma roller micro needle roller Theory of Microneedle Therpy Microneedle therapy uses a knead rod inlayed with 1080 titanium needles, regularly rolling in the places which need to