Treat your skin to deep, long-lasting hydration with the COSRX Hydrium Triple Hyaluronic Moisture Ampoule! A viscous, hydrating serum that softens and moisturizes the skin to provide deep hydration for dry, dehydrated skin types. Cosrx Hydrium Triple Hyaluronic Moisture Ampoule hydrates your skin in a unique way with Hydrium Curation, developed exclusively by Cosrx. “B5, known as panthenol, is the main ingredient in the Hydrium line. B5 has moisturizing, regenerating, and anti-inflammatory properties. Another benefit of panthenol is its high tolerability, making it safe for all skin types.The Cosrx Hydrium Triple Hyaluronic Moisture Ampoule contains 3 types of hyaluronic acid, allowing moisture to penetrate deep into the skin. High-molecular-weight hyaluronic acid forms an invisible protective barrier on the skin and keeps your skin hydrated. Low-molecular-weight hyaluronic acid penetrates the skin, increasing skin elasticity and making the skin plumper. Smooth skin all day long: Thanks to the viscous serum texture, the skin feels smooth and hydrated. It has a non-greasy finish and provides a visibly plump, healthy complexion all day long. It gives dry, dehydrated, and flaky skin an immediate plumping effect and long-lasting hydration.