This lightweight, silky serum absorbs quickly into skin to gently deliver our highest concentration of hyaluronic acid, instantly smoothing skin.So effective, 100% of women had visible results, instantly.One Week: With the highest concentration of accelerated Retinol SA available, this advanced serum penetrates deep into skin’s surface to quickly and effectively deliver visible results in just one week.Formulate with Accelerated Retinol SA, Which is clinically proven to help:Fade the look of stubborn deep wrinkles, including crows feet, forehead & cheek wrinklesBrighten skin’s toneSmooth fine lines & textureLeaves skin feeling immediately soft