[2] International Journal of Cosmetic Biochemistry
At picomolar to nanomolar concentrations, GHK-Cu stimulated the synthesis of collagen in skin fibroblasts, increased accumulation of total proteins, glycosaminoglycans (in a biphasic curve) and DNA in the dermal wounds in rats
Guanjie Biotech often clarifies these issues during technical discussions with beauty industry clients
For GHK-Cu, especially with subcutaneous or intradermal applications, a finer gauge needle like 27G to 31G is generally recommended
Antioxidant Protection One of the most significant protective effects of copper peptides is their ability to neutralize free radicals

Water, Centella Asiatica Extract (29.2%), Butylene Glycol, Propanediol, Niacinamide (20,000ppm), Glycerin, Diethoxyethyl Succinate, Panthenol, Sodium Hyaluronate, Allantoin, Glutathione (1,000ppm), Sodium Polyacryloyldimethyl Taurate, Glyceryl Acrylate/Acrylic Acid Copolymer, Nelumbo Nucifera Extract, Artemisia Annua Extract, Oryza Sativa (Rice) Extract, Saccharomyces Ferment, Solanum Melongena (Eggplant) Fruit Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Hydrolyzed Collagen, Squalane, Beta-Glucan, Dipropylene Glycol, Hippophae Rhamnoides Fruit Extract, Adenosine, Madecassic Acid, Asiaticoside, Asiatic Acid, Caprylic/Capric Triglyceride, Hydrogenated Lecithin, Glyceryl Stearate, Cholesterol, Styrene/Acrylates Copolymer, Cellulose Gum, Xanthan Gum, Inulin, Cellulose, Glucose, Fructose, Citric Acid, Disodium EDTA, Hydroxyacetophenone, 1,2-Hexanediol, Ethylhexylglycerin, Dipotassium Glycyrrhizate, Sodium Citrate