Developed with dermatologists, CeraVe Hydrating Hyaluronic Acid Serum is a lightweight serum that provides 24 hour hydration and moisture to the skin. Formulated with 3 Essential Ceramides and Hyaluronic Acid, the formula helps to protect the natural skin barrier and retain moisture on the skin. The gel-cream formula can be used alone, layered under moisturiser, or as a base for makeup. It helps protect the skin's natural barrier, retain skin's natural moisture, and soothe skin. Enriched with 3 Essential Ceramides, Hyaluronic Acid, and Vitamin B5. Suitable for women and men, this serum is gentle on the skin.