Believe your eyes: This innovative treatment dramatically renews and revitalizes the under eye area, boosting hydration as it diminishes the appearance of dark circles, fine lines and, most importantly, puffiness. Eyes take on a more rested, youthful appearance. How it works Revive Eye Concentrate features the breakthrough, proprietary delivery system Syntoc Actif. This exclusive and patented technology aids in the improved delivery of key ingredients. Among those ingredients is the Hydration Plus Complex, which helps to balance water content and promote better circulation to diminish the appearance of dark circles and puffiness.