Most research is preclinical or small
Glutathione is a powerful and naturally occurring antioxidant
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Water, Dipropylene Glycol, Galactomyces Ferment Filtrate(50,029 ppm), Glycerin, Methylpropanediol, Glycereth-26, Niacinamide, Glyceryl Glucoside, Glyceryl Polymethacrylate, Erythritol, Polyglyceryl-10 Laurate, Hydroxyacetophenone, 1,2-Hexanediol, Carbomer, Caprylyl Glycol, Arginine, Hydrolyzed Jojoba Esters, Xanthan Gum, Adenosine, Glucose, Ethylhexylglycerin, Butylene Glycol, Citric Acid, Ascorbic Acid, Polyquaternium -51, Panthenol, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Diethylhexyl Sodium Sulfosuccinate, Sodium Citrate, Lavandula Angustifolia (Lavender) Oil, Glutathione(10.89 ppm), Sodium Hyaluronate, Dipotassium Glycyrrhizate, Oryza Sativa (Rice) Extract, Pyrus Malus [Apple] Fruit Extract, Saccharide Isomerate, Hydrogenated Lecithin, Pantolactone, Maltodextrin, Brassica Oleracea Italica (Broccoli) Extract, Hydrolyzed Vegetable Protein, Prunus Serrulata Flower Extract, Nelumbo Nucifera Flower Extract, Lilium Tigrin um Extract, Copper Tripeptide-1, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hydroxypropyltrimonium Hyaluronate, Potassium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Pentylene Glycol, Sodium Acetylated Hyaluronate, Disodium EDTA, Limonene, Linalool

For instance, one aesthetic doctor might use GHK-Cu alongside antioxidants and retinoids in a skin improvement regimen