Piercing your skin with a bunch of tiny little needles, may not sound appealing at first, but do the cosmetic benefits of the dermaroller outweigh the negative? At first glance, a derma roller may appear to a miniature barbaric torture device, but it has in fact become one of the most innovative approaches to skincare treatment in years. Whilst the science behind derma roller is not impressive, the results are apparent. Perhaps not for wrinkles or signs of aging.