I Derm Ultra A is an antioxidant power-blend specifically formulated to rejuvenate skin, resurface acne prone skin & repair damage. Renew and revive your skin's texture at evey age! Repairs damage to the deep layers of the skin and restores elasticity by enhancing the production of collagen and elastin. This cream also resurfaces and treats acne prone skin while anti-oxidants fight harmful free radicals. Contains 0.1% tretinoin(is the acidic form of Vitamin A) and 10% vitiam C, 2% E, Excellent for treating wrinkles and sun damaged skin. The Vitamin C is an anti-oxidant that has been proven to increase collagen synthesis, Which is essential to maintaining healthy skin. Vitamin E helps protect body tissue from damage by unstable substances called free radicals.