CeraVe's Hydrating Hyaluronic Acid Serum is a lightweight, non-greasy serum that provides long-lasting hydration to the skin. Formulated with 3 Essential Ceramides and Hyaluronic Acid, it helps to protect the skin's natural barrier and retain moisture. The gel-cream formula can be used alone, layered under a moisturizer, or as a makeup base. It's gentle on the skin and enriched with Hyaluronic Acid, Vitamin B5, and 3 Essential Ceramides. Developed with dermatologists, this serum is designed to help soothe and protect the skin.