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Description
Clinical research The foundational characterization of GHK-Cu as a growth-modulating plasma tripeptide that functions by facilitating copper uptake into cells was published in Nature by Pickart et al

Its most well-characterized mechanism involves stimulating collagen and glycosaminoglycan synthesis in skin fibroblasts, which underlies its effects on skin elasticity, firmness, and wound repair

This remains an area of active investigation rather than settled science

Mercado, N

van de Giessen, E
