Developed with dermatologists, CeraVe Hyaluronic Acid Serum replenishes skins hydration while helping to improve the appearance of dry lines for instantly smoother, softer skin. This refreshing gel-cream formula contains 3 essential ceramides, our highest concentration of hyaluronic acid, and vitamin B5. This lightweight facial serum blends seamlessly into skin and can be applied alone or underneath a CeraVe moisturizer. Paraben-Free Fragrance-Free Non-Comedogenic Key Ingredients: Hyaluronic Acid: This ingredient attracts hydration to the skins surface and helps the skin retain moisture MVE Technology: This patented delivery system continually releases moisturizing ingredients for 24-hour hydration Ceramides: Essential for healthy skin, ceramides help restore and maintain the skins natural barrier Vitamin B5: Provides skin-soothing benefits Niacinamide: Helps calm the skin