GHK-Cu is a naturally occurring human tripeptide (glycyl-L-histidyl-L-lysine) complexed with a copper 2+ ion

Ingredients : Water, Ethylhexyl Methoxycinnamate, Butylene Glycol, Ethylhexyl Salicylate, Octocrylene, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Butyl Methoxydibenzoylmethane, Dipropylene Glycol, Niacinamide (20,000ppm), Squalane, C14-22 Alcohols, 1,2-Hexanediol, Polyglyceryl-2 Stearate, Propanediol, Hydroxyacetophenone, Glyceryl Stearate, Stearyl Alcohol, C12-20 Alkyl Glucoside, Tromethamine, Centella Asiatica Extract (1,510ppm), Carbomer, Melaleuca Alternifolia (Tea Tree) Extract, Hippophae Rhamnoides Fruit Extract, Vitis Vinifera (Grape) Fruit Extract, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Uncaria Sinensis Extract, Glycerin, Adenosine, Disodium EDTA, Oryza Sativa (Rice) Bran Extract, Hydrogenated Phosphatidylcholine, Caprylic/Capric Triglyceride, Sodium Hyaluronate, Glucose, Hydrolyzed Collagen, Sucrose Stearate, Glutathione (10ppm), Cyclodextrin, Cetearyl Alcohol, Caprylyl Glycol, Beta-Glucan, Caprylhydroxamic Acid, Ethylhexylglycerin, Asiatic Acid, Asiaticoside, Madecassic Acid, Madecassoside, Tropolone, Hyaluronic Acid, Potassium Hyaluronate

Unlike glutathione sublingual or IV therapy, topical forms may not penetrate deeply enough to provide full-body benefits
Too Much Dairy On the one hand, dairy products, especially whey protein, contain amino acids that provide the building blocks for glutathione
You can treat and cure mold toxicity through a multi-faceted approach that includes removing yourself from mold exposure, medical interventions, and supporting your body's natural detoxification processes
So, while the mechanism is persuasive, it is not quite at the level of, say, well-known medications that affect metabolism