The Next Wave of Hydration is Here The Neutrogena Hydro Boost Gel Cream is a light-textured, oil free moisturiser that offers long lasting, intense nourishment. With instant absorption, this moisturiser keeps skin hydrated all day using an innovative continuous release system, which replenishes the epidermis with a boost of hydration. The formula contains hyaluronic acid which is naturally found in the skin, locks in intense hydration and leaves skin smooth, supple and renewed.