RETINOL YOUTH RENEWAL SERUM 1.0OZ. Benefits: Visibly minimizes wrinkles and smooths skin in 2 weeks*. Three types of retinol (fast-acting, delayed-release, booster) technology help firm, smooth and even skin tone. Gentle enough for retinol beginners to help prevent and improve signs of aging, without dryness or irritation. For all ages, skin types and tones. Key Ingredients: Retinol Tri-Active Technology: (Fast-Acting, Delayed-Release, Booster) delivers quick and sustained retinol benefits for visibly firmer, smoother, and more even-toned look. Hyaluronic Acid: hydrates skin to visibly plump and minimize dryness. Swertia Flower Extract: helps improve skins resilience for a more youthful complexion. Research Results: Clinically proven to improve visible signs of aging in 4 weeks. Clinically proven to visibly improve fine lines and wrinkles in 2 weeks. Visibly firms skin in 2 weeks. 92% saw smoother skin in 2 weeks.