Avene Retrinal H.A.F (exclusive Fragmented Hyaluronic Acid) prolongs the benefits of retrinaldehyde to reduce the signs of aging in both fine lines and deep wrinkles. It works as a topical filler and an instant smoothing effect is noticed upon use. In just days, it will leave your skin clear and radiant. It is non oily, easy to use and will minimize the aging process with little or no irritation.