The derma roller also known as skin roller or microneedle roller is a revolutionary hand held device which has the ability to naturally stimulate collagen and elastin in the skin to promote healthier skin cells in the body using 200 extremely fine medical grade needles the dermaroller painlessly creates microchannels in your skin which trigger the body39s natural healing process to create new healthier tissue to replace the imperfections of older skin by renewing your skin cells regularly