Omnilux Hydrogel Décolleté Mask firms, hydrates, and nourishes the skin. These masks maximize light penetration for Omnilux LED treatments to cool skin. Each package contains three single-use masks formulated with hyaluronic acid. The masks are dermatologist-recommended, hypoallergenic, and are not tested on animals. These masks contain no parabens or sulfates and can be used with or without LED.