Well, yeah, but I dont know
D., Coker, N
This decline isn't just a normal part of agingit's a major contributor to the aging process itself

Water(Aqua), Glycerin, Acrylates Copolymer, **Niacinamide, Carrageenan, Butylene Glycol, 1,2-Hexanediol, Glucomannan, Hydroxyacetophenone, Cellulose Gum, Calcium Chloride, Ceratonia Siliqua (Carob) Gum, Allantoin, Gardenia Florida Fruit Extract, Polyglyceryl-10 Laurate, Potassium Chloride, Propanediol, Cyamopsis Tetragonoloba (Guar) Gum, Sucrose, Dipotassium Glycyrrhizate, Dextrin, Adenosine, Caprylyl Glycol, Arginine, Ethylhexylglycerin, Panthenol, Sodium Phytate, Sphingomonas Ferment Extract, **Glutathione, Phosphatidylcholine, Squalane, Acetyl Glucosamine, **Arbutin, **Alpha-Arbutin, **Ascorbic Acid, **Kojic Acid, Centella Asiatica Extract, Citrus Limon (Lemon) Fruit Extract, Sodium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Tocopheryl Acetate, Sodium Acetylated Hyaluronate, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Potassium Hyaluronate

(2006) [PubMed] Quality Verification USA Third-Party Testing Every batch of A2Z CJC-1295 (No DAC) undergoes independent verification at USA-based analytical laboratories for identity (mass spectrometry) and purity (reversed-phase HPLC, typical purity 98%)