Electric Dr.Pen M8S Permanent Makeup Machine Eyebrows Eyeliner Lip Micro Needling PenPrinciple This electric Dr. Pen applies the technology of Microneedling, which is minimally invasive to create tiny holes in the top layer of the skin. These tiny holes cause the body to create collagen and elastin, promoting nutrients absorption, thereby smoothing wrinkles, firming and rejuvenating the skin. Product Structure What is derma pen? Derma pen is a portable automatic micro needle Derma Rejuvenation Therapy. It is a Non surgical skin