Derma roller or micro needling is a revolutionary skin treatment also known as skin micro needling scar reduction or collagen induction therapy this therapy originated in europe and has now gained popularity throughout the world this treatment is used for the removal of acne scars stretch marks pigmentation due to sun damage and wrinkles it improves penetration of creams and gels into the skin by intense exfoliation of the uppermost layer of the skin tricking the skin to renew skin cel