Soskin Serum N°1. Provides optimal, continuous hydration for 8 hours to boost skin's resilience and restore biological functions. Concentrated with 1.5% pure Hyaluronic Acid to act at multiple levels in the skin. Its ultra-light gel texture provides a fresh, plumping effect on application. It contains: Aqua / Water / Eau, Propanediol, Sodium Hyaluronate, Hydroxyacetophenone, Glycerin, Sodium PCA, Serine, Panthenol, Arginine, Urea, Lactic Acid, Threonine, Trisodium Ethylenediamine Disuccinate, Manganese Gluconate, Avena Sativa (Oat) Kernel Extract, Aloe Barbadensis Leaf Juice Powder, Maltodextrin, Citric Acid.