Clinically proven 48-hr hydration. Dermatologist recommended brand. Fragrance free. Refreshing burst of hydration for glowing skin with essential hydrators. Neutrogena Hydro Boost Water Gel: Water-like hydration that instantly boosts vital water content within skin's surface for refreshed, glowing skin that is prepared for life's daily aggressors. Clinically Proven Hydration: Designed for dry, sensitive, and acne-prone skin. Instantly delivers 6x more hydration (vs. untreated). 48-hour hydration that improves the look and feel of dry skin. 2 weeks leaves skin looking healthier. 4 weeks leaves skin looking more radiant.