Works quickly for visible results in just one week. Accelerated Retinol SA combines an highest concentration of Neutrogena's Retinol SA with glucose complex, an exclusive booster that delivers pure stabilized retinol into skin's surface quickly and effectively, leaving skin feeling smooth and looking younger. So effective, 100% of women had noticeable results in just one week. Clinically proven to help: Fade the look of stubborn deep wrinkles, including crow's feet, forehead & cheek wrinkles Brighten skin's tone Smooth fine lines & texture Accelerated Retinol SA is a unique combination of the following ingredients: Retinol SA Exclusive sustained action works to continuously renew the look of skin throughout the day, helping to smooth wrinkles fast and diminish the look of age spots. Retinol SA is scientifically proven superior to other forms of Vitamin A, such as Pro-Retinol and Retinyl Palmitate, in its ability to penetrate the skin's surface.