Bought myself another bottle of this serum as I am using it every day, most of the time two e a day!! Have you tried?? CeraVe Hydrating Hyaluronic Acid Serum 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 makeup base • 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 • Gentle on the skin• Developed with dermatologists