Neutrogena Hydro Boost Water Gel instantly quenches dry skin and keeps it looking smooth, supple and hydrated day after day. Our award-winning and best selling water gel formula absorbs quickly and instantly delivers intense hydration. And it contains hydrating hyaluronic acid, which is naturally found in the skin and acts as a sponge, absorbing up to 1,000 times its weight in water. This formula leaves skin more supple and smooth.