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Research has demonstrated that GHK-Cu treatment increases production of collagen (particularly type I and type III collagen, the predominant structural collagens in skin and connective tissues), glycosaminoglycans (including hyaluronic acid, which provides hydration, volume, and biochemical signaling in skin), decorin (a small proteoglycan involved in collagen fibril organization and growth factor regulation), and other matrix molecules critical for tissue structure and function

Science 361, eaat1178 (2018)

Cells possess adaptive homeostatic mechanisms, such as upregulation of the copper efflux transporter ATP7B, to counteract increased influx [238]

The expression of FOXO4 in the cytoplasm of keloid fibroblasts was significantly lower than that in normal skin fibroblasts ( p = 0.03

Copper peptides, also known as GHK-Cu, are a naturally occurring complex made within the human body during times of repair