Dermaroller : Rejuvenate your skin with this collagen induction therapy, also called micro-needing. Dermaroller stimulates new collagen and elastin within the skin, thereby improving its thickness and quality. It is used to treat open pores, acne scars, wrinkles and stretch marks, rejuvenate aging skin and restore your skin to its original beautiful glow. It can be used by both men and women and has various beneficial effects.