Chemical Identity and Structure (Glycyl-L-Histidyl-L-Lysine + Cu) The free tripeptide GHK has the formula CHNO and a molecular weight of approximately 340.4 g/mol
This treatment makes it a common choice for male reproductive health

, Cetearyl Alcohol, 1,2-hexanediol, Pentylene Glycol, Diethylaminohydroxybenzoylhexyl Benzoate, Caprylyl Methicone, Polysilicon-15, Chickweed Extract, Sunflower Flower Extract, Lingonberry Extract, Tara Fruit Extract, Cotoni Extract, Racemosa Horse Root Extract, Bogeum Cactus Fruit Extract, White Thistle Extract, Evening Primrose Oil, Sodium Hyaluronate (1.6 Ppb), Hydrogenated Lecithin, Polymethyl Silsesquioxane, Butylene Glycol Lycol, Glyceryl Stearate, Bis-ethylhexyloxyphenol Methoxyphenyltriazine, Potassium Cetyl Phosphate, Methyl Propanediol, Polyc10-30 Alkyl Acrylate, Carbomer, Glyceryl Stearate Citrate, Acrylate/ C10-30 Alkyl Acrylate Crosspolymer, Ethylhexylglycerin, Ammonium Acryloyldimethyltaurate/v Picopolymer, Adenosine, Polyether-1, Biosaccharide Gum-1, Panthenol, Tocopherol, Glycerin, Glutathione (100 Ppb), Ectoin, Glyceryl Polymethacrylate, Glyceryl Glucoside, Maltodextrin, Hydrolyzed Vegetable Protein, Propylene Glycol, Sodium Hyaluronate Crosspolymer (5.08 Ppb), Dimethylsilanol Hyaluronic Acid

The short answer is that while glutathione is not a "magic pill" for instant hair growth, it is a foundational element for the biological processes that make growth possible