Quench the skin’s thirst with COSRX’s The Hyaluronic Acid 3 Serum, a multi-purpose formula that leaves the skin feeling hydrated, refreshed and soothed.Suitable for everyday use, the highly-concentrated formula harnesses the moisturising properties of hyaluronic acid to help protect against dryness, while nourishing the skin barrier function. The lightweight serum absorbs quickly, encouraging a visibly dewy glow.