For the die-hard Retinol addicts among us.A superactive new hybrid Retinol booster serum, with 3% Encapsulated Retinol Complex, 1% Pinaretinol and low-level Lactic Acid to gently resurface the outer layer of the skin. And for low-irritation, it contains bio-available vitamin A delivery and a double dose of resurfacing and collagen boosting. Plus, it has hydrating FicuCell Vita, a concentrated Ceramide blend, Hyaluronic Acid, and a soothing Soja Seed complex.We recommend graduating to this only after your skin has some experience with Retinol. Our Super Retinol Ceramide-Boost Anti-Aging Serum and Super Retinol (+Vitamin C) Night Renewal Moisturizer are best for beginners.