Neutrogena's Retinol Boost Anti-Aging Serum is clinically proven to fight visible signs of aging on the face, such as wrinkles, sagging, dullness, fatigue, dryness, and age spots. Its unique formula combines powerful ingredients: Pure retinol, a scientifically validated form of Vitamin A recognized by dermatologists, enhances skin cell renewal on the surface to combat wrinkles, dark circles, creases, and age spots. Myrtle plant extract, known for its skin-rejuvenating properties, increases the effectiveness of retinol. Hyaluronic acid provides intensive and potent moisture. This lightweight, velvety serum delivers pure retinol deep into the skin to effectively combat visible aging signs and improve the skin's appearance. Clinically proven to immediately smooth the skin for a younger, healthier look. Suitable for all skin types. High effectiveness with 100% of participants showing visible results within a week. Within a week: softens fine lines and improves skin texture. In four weeks: significantly reduces wrinkles around the eyes, forehead, and cheeks. In eight weeks: softens pigmentation spots. Developed in collaboration with dermatologists.