Replenish and lock in moisture with the CeraVe Hydrating Hyaluronic Acid Serum. Developed with dermatologists, this refreshing gel-cream serum is formulated with a high concentration of hyaluronic acid, soothing vitamin B5, and three essential ceramides to deliver up to 24 hours of hydration. Sourced and guaranteed 100% original, it helps restore the protective skin barrier while smoothing and softening dry, dehydrated skin.