A Derma Roller is a micro needling device that can be used to improve the appearance of your skin. It has 540 micro needles that are 0.2mm in length, which is the optimal size for home use. The derma roller works by creating tiny punctures in the skin, which triggers the body's natural healing response and stimulates collagen production. Benefits: Reduces the appearance of aging skin, scars, uneven skin tone, fine lines, and pore size Promotes collagen production Stimulates skin regeneration Treats various skin issues, such as wrinkles, hyperpigmentation, and dark spots Enhances the penetration of serums and creams into the skin. Ships in 1-3 business days