*Based on a clinical study conducted with 36 volunteers by an independent lab in September 2025 Aqua, 3-O- Ethyl ascorbic acid, Propanediol, Propylene glycol, Betaine, Glycerin, Glyceryl Glucoside, Glutathione, Phenoxyethanol, Squalane, Sodium Acrylates Copolymer, Lecithin, Undecylenoyl Phenylalanine, Allantoin, Tocopherol, Carbomer, Ethylhexylglycerin, Octenidine HCl, Disodium EDTA, Triethanolamine, Allergen free fragrance Aqua, 3-O- Ethyl ascorbic acid, Propanediol, Propylene glycol, Betaine, Glycerin, Glyceryl Glucoside, Glutathione, Phenoxyethanol, Squalane, Sodium Acrylates Copolymer, Lecithin, Undecylenoyl Phenylalanine, Allantoin, Tocopherol, Carbomer, Ethylhexylglycerin, Octenidine HCl, Disodium EDTA, Triethanolamine, Allergen free fragrance Vegan Paraben Free Dermatologically Tested Cruelty Free Sulfate Free Users report early improvement in dullness with consistent use
PMID 4694406
SalmaggiPBressaGMNicchiaGConiglioMLa GrecaPLe GrazieC
Clinical literature frequently cites that the systemic bioavailability of standard oral glutathione is a dismal 1% to 5%, meaning the vast majority of the supplement is destroyed before it ever reaches your bloodstream