Neutrogena Rapid Wrinkle Repair Anti-Wrinkle Serum with Retinol, Hyaluronic Acid, and Glucose Complex Retinol Booster, 1 fl. oz1 fluid ounce tube of Neutrogena Rapid Wrinkle Repair Anti Wrinkle Serum with Retinol. In clinical trials, 100% of women experienced noticeable results in just one week of use. Lightweight, silky retinol serum absorbs quickly to help smooth fine lines and texture, brighten and even skin tone, and fade deep, stubborn wrinkles, including crow's feet Retinol SA continuously renews skin, helping to smooth wrinkles fast and diminish the look of age spots