The Inkey List Retinol Anti-Aging Serum Retinol serum is a serum enriched with retinol, which strongly fights wrinkles. Retinol is present in this serum at a concentration of 1%. This serum suits all skin types. It restores the skin's youthfulness, radiance, and freshness, and conceals fine lines and wrinkles associated with aging. It works on smoothing uneven skin and lightening dark spots. Ingredients: Aqua, Glycerin, Butylene Glycol, Propanediol, Decaprylyl Carbonate, Dimethicone, Hydroxyethyl Acrylate Sodium Acryloyldimethyl Taurate Copolymer, Caprylyl Glycol, Phospholipid, Caprylic/Capric Glycerides, Squalane, Dimethyl Isosorbide, Polysorbate 60, Tocopherol Acetate, Glycolipids, Sodium Hydroxide, Disodium EDTA, Hydroxybenzoate Retinoate, Retinol, Glycine Soja Soybean Sterols, Leuconostoc Ferment Filtrate, Hydrogenated Castor Oil, Hyaluronic Acid 20 7, Palmitoyl Tripeptide-1, Phenoxyethanol How to use: Apply three or four drops on your skin immediately after cleansing in the evening, before using other moisturizers and serums. Usage frequency can be gradually increased as your skin adapts to it.