The benefits of micro needling are a reduction in the appearance of fine lines and wrinkles younger looking skin with fewer signs of aging innopen also has a positive effect on hyper pigmentation as well as on hypo pigmentation acne scars traumatic scars and stretch marks and generally creates a fresher appearance or glow to the skin innopen can be used on all parts of the body face neck dcollet arms hands legs abdomen and back some patients only require a single treatment once