Neutrogena Hydro Boost Water Gel Sunscreen SPF 30/ SPF 50 delivers broad spectrum UVA/UVB sun protection and hydration with a water-light, refreshing feel. Neutrogena Hydro Boost Water Gel Sunscreen helps prevent and reduce the risk of early signs of skin aging caused by the sun when used as directed with other sun protection measures*. This water-resistant sunscreen lotion with hyaluronic acid leaves skin moisturized and looking healthy. Hyaluronic acid is a skin hydrator that acts as sponge for dry skin, absorbing 1000x its weight in water.