dermapen derma pen microneedle roller dr. pen auto micro needle scar removal skin care tightening rechargeable

derma pen therapy re-called micro-needle mesotherapy, directly introduce the cosmetic active element or nutrition into the hypoderm for personal beauty care. derma pen adopt the new-style motor to vibrate up and down vertically,penetrate cuticle and produce many super micro capillary to helpfully introduce elements. derma pen can thoroughly puncture skin without pain. the needle drum can randomly exchange. the operation is safe, convenient, healthy and simple.it's advanced application in the beauty area..syi