CeraVe Hyaluronic Acid Serum (30ml). Provides 24-hour hydration. Can be used alone or layered under moisturizer. Hyaluronic acid: Attracts hydration to your skin’s surface and helps it retain moisture. Ceramides: Help restore and maintain the skin’s natural barrier. Vitamin B5: Provides skin-soothing benefits. MVE Technology: This patented delivery system continually releases moisturizing ingredients for all day hydration. Non-comedogenic, paraben-free and fragrance-free