The FDA has not evaluated it for safety or efficacy in humans
What is even more important to know is that glutathione works best in synergy with vitamin C

Ingredients Ingredients Key Ingredients Glutathione, Vitamin E, Vitamin C Full List of Ingredients Water, Glycerin, Pentylene Glycol, Niacinamide, 2,3-Butanediol, 1,2-Hexanediol, Glutathione, Betaine, Tromethamine, Gluconolactone, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Ethylhexylglycerin, Sodium Citrate, Sodium Hyaluronate, Sphingomonas Ferment Extract, Citric Acid, 3-O-Ethyl Ascorbic Acid, Melia Azadirachta Flower Extract, Ocimum Sanctum Leaf Extract, Melia Azadirachta Leaf Extract, Curcuma Longa (Turmeric) Root Extract, Corallina Officinalis Extract, Sodium Hyaluronate Crosspolymer, Butylene Glycol, Hydrogenated Lecithin, Xylose, Polyglutamic Acid, Tocopherol, Cholesterol, Dipotassium Glycyrrhizate, Glycine, Cysteine, Sodium Cocoyl Isethionate, Helianthus Annuus (Sunflower) Seed Oil How To Use How To Use Apply a moderate amount to the skin and gently dab for better absorption
This product is intended for laboratory and research applications only
GHK-Cu Serum $16.99
This does not mean these peptides are useless or dangerous