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Scientific literature consistently highlights GHK-Cu as a potent stimulator of collagen, elastin, and glycosaminoglycan synthesis
387 Urate oxidase catalyzes the breakdown of uric acid into 5-hydroxyisourate, which subsequently undergoes spontaneous degradation to allantoin without enzymatic assistance
It is sometimes called "copper peptide uglies" or "GHK-Cu uglies" in skincare forums and Reddit threads
This is the mechanistic reason researchers study it separately from native IGF-1: with less protein-binding interference, the analog remains bioavailable roughly 3x longer, giving it an extended half-life of approximately 2030 hours compared to native IGF-1s 1215 hours
10.1002/ajmg.c.30087 125
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