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At optimal concentrations, GHK-Cu increases mRNA production for collagen types I and III, elastin, proteoglycans, and glycosaminoglycans, while laboratory studies show that topical application for 12 weeks improves collagen production in 70% of subjects compared to 50% with vitamin C and 40% with retinoic acid

Never share vials with or without sterile needles

Munro CE, Farrell M, Hanseeuw B, Rentz DM, Buckley R, Properzi M, et al

it's a delicate, precisely structured chain of amino acids that has been lyophilized

Understanding Glutathione Glutathione, often referred to as the master antioxidant, is a vital molecule produced naturally in the body