Derma roller is an instrument, consist of a handle & a roller having many fine needles. When this roller is rolled over affected area it creats tiny punctures of varying depths. This physical damage on skin causes inflammatory reaction which stimulates new collagen & elastin fibres. It is safe, effective and relatively non-invasive treatment done for skin rejuvenation, fine lines, wrinkles, acne scar, large pores, stretch marks & to get firm skin.