Algenist's 'AA Barrier Serum' is formulated to guard your skin against environmental stressors in the air, like urban dust and smog. Enriched with a high concentration of Alguronic Acid from algae, this antioxidant formula contains nutrient-rich Niacinamide, Phloretin and Ergothioneine to visibly enhance texture, help smooth fine lines and correct pigmentation. Use it after cleansing or applying Genius Liquid Collagen, followed by your daily moisturizer. - Suitable for all skin types - Non-comedogenic - Dermatologist-tested -Instructions for use: - Gently massage into face, neck and décolletage after cleansing and toning - Follow with moisturizer - 30ml/ 1.0fl.oz. Ingredients: Water (Aqua, Eau), Butylene Glycol, PEG-8 Dimethicone, Propanediol, Caprylyl Methicone, Dimethicone, Parachlorella Beijerinckii Exopolysaccharides, Phloretin, Ergothioneine, Copper Palmitoyl Heptapeptide-14, Heptapeptide-15 Palmitate, Epigallocatechin Gallate, Tocopheryl Acetate, Aspartic Acid, PCA, Disodium EDTA, Alanine, Serine, Valine, Isoleucine, Proline, Threonine, Lactic Acid/Glycolic Acid Copolymer, Polyvinyl Alcohol, Histidine, Phenylalanine, Arginine, Ascorbic Acid, Octyldodecanol, Pyridoxine HCl, Retinyl Palmitate, Silica, Sodium Propoxyhydroxypropyl Thiosulfate Silica, Glycerin, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Ammonium Acryloyldimethyltaurate/VP Copolymer, Pentylene Glycol, Isohexadecane, Adenosine Triphosphate, Hydrolyzed Oat Protein, Niacinamide, Citric Acid, Polysorbate 60, Sorbitan Isostearate, Sodium PCA, Sodium Phytate, Sodium Lactate, Sodium Benzoate, Potassium Sorbate, Phenoxyethanol