We have seen the trend move into household use with the dermaroller device. At About Face Med Spa, we use a MicroPen. This type of device punctures your skin at an angle and the needles are only a third the length of a MicroPen. The problem with the dermaroller is the needles nick the skin as it is rolled. This creates less of a controlled injury and it actually can damage the skin. The at-home dermarollers also increase risk of infection.