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A., & Iasnetsov, V
GHK-Cu (sister peptide) delivered by repeated subcutaneous injection into rat wound chambers produced concentration-dependent increases in collagen, glycosaminoglycans, protein and DNA primary in-vivo evidence that the copper-tripeptide class is bioactive by injection in animals, but for GHK-Cu, not AHK-Cu
Topical delivery applies the compound directly to the area being treated, so patients can focus on skin firmness, texture, scalp support, or hair wellness without turning to risky online sources
The peptide promoted the rapid development of reticulin fibers and collagen formation, with treated animals showcasing fully developed reticulin fibers within 10 days
