Electric Wired or Wireless Ultima M8 Auto Derma Roller Skin Care Anti AgingPrinciple The Derma pen is an automated micro needling device with a disposable tip cartridge that is made up of 12 micro needles, which uses proprietary technology to penetrate vertically into the skin. The stamping action of the Dermapens vertical tip creates invisible micro injuries to the skin, while stimulating the skins natural ability to heal itself and increase the production of new collagen. In doing so, these micro injuries encourage and