The Cougar Derma Active Roller is an incredible way to naturally increase the levels of collagen and elastin in your skin. It works on stretch marks, wrinkles, scars and uneven, pitted skin. The titanium needles stimulate collagen release so you can help your skin renew itself and repair to a cosmetic level. The Cougar Derma Active Roller uniquely has interchangeable heads, making it easier and cheaper for you to treat both your face and body. The Cougar Active Roller uses extremely fine titanium needles, which penetrate the skin just enough to stimulate collagen and elastin production. This leads to the thickening of the skin and smoothing of wrinkles and scars. Derma Active Roller - Benefits · Derma Active Roller is excellent and proven home-solution for diminishing signs of aging (wrinkles, fine lines) on face and body. · Reduces and softens acne or surgical scars. · Diminishes appearance of cellulite and stretch marks, large pores. · Smooths uneven skin texture, uneven skin coloration (pigmentation), and heavy pitted skin. · Helps reverse effects of sun damage. · Can stimulate hair to keep its thickness when used on head and helps with thinning and balding hair areas. · Simulates elastin and collagen production, resulting in thicker skin, smoother wrinkles and scars of all types. · Shown in clinical studies to be effective as ablative treatments (laser resurfacing, dermabrasion, chemical peel) and non-ablative treatments (IPL, Fraxel, and CO2 laser). · Derma Active Rollers are cost-effective compared to conventional treatments, and in some cases is less than 10% of the cost of other treatments like laser resurfacing. · Derma Active Skin Roller can increase serum absorption by as much as 1,000 times, according to South Korea, Europe, and U.S. clinically-conducted studies. · The treatment is almost free of pain. · There are no known negative side-effects