ghk cu anwendung Kupferpeptid GHK-Cu Pulver | ≥99% rein | für Kosmetik & Forschung micro-infusion set 3+1 | Peptid-Trio

The strongest human clinical evidence is for topical use, including the Leyden 2002 photoaging trial and a 2023 NEEL gel topical study reporting an average 28% increase in skin collagen density at 3 months

The mechanism was proposed to involve copper-dependent enzymes (notably lysyl oxidase, which catalyzes the cross-linking of collagen and elastin and requires copper as a cofactor), GHK-specific effects on growth factor activity, and downstream gene-expression effects in fibroblasts and other tissue-repair-relevant cell types

Designed for regular use without buildup, helping maintain a comfortable and balanced scalp

Previous work showed BNP helps translate the itch sensation from skin to brain