It is a device that has 12 thin needles in its edge. The dermapen needles penetrate the skin vertically, minimizing the damage, the pain and the healing time. The needles cause multiple microinjuries to the skin.
They penetrate the skin and reach the dermis. The needles penetrate the skin without causing its destruction. Due to the elasticity of the skin cells the micro punctures close very quickly and within a few hours the skin in back to its normal.