COSRX Hydrium Triple Hyaluronic Moisture Ampoule is a hydrating serum that replenishes moisture with its triple hyaluronic acid formula, effectively soothing dry skin and enhancing elasticity with Vitamin B5. The inclusion of D-Panthenol provides stable conditioning and hydration, while the blend of ingredients like Sodium Hyaluronate and Hydrolyzed Hyaluronic Acid ensures deep moisturization for improved skin texture.