1.The Derma Roller easy to use, inexpensive, and warranted. We only want "Happy Rollers"! At this price, give it a try! Reduce fine lines, wrinkles and dark circle. 2.Makes your skin younger - Reduces and Eliminates: Wrinkles, Acne Scars, Fine Lines, Cellulite, Stretch Marks, Hyper-Pigmentation and other Blemishes. 3.No More Embarrassing Skin Problems. Get Smoother, Firmer and Younger Looking Skin. 4.Extremely high absorption of any active ingredients from skin care product. 5.The principle behind Derma-Rolling Therapy is simple: to stimulate the body's own production of collagen, thereby reducing wrinkles, scars and improving skin texture. Results last as long as 5-10 years or more.