Description
Specifications
- Form: White to slightly blue lyophilized powder
- Standard vial size: research-grade, typically supplied in mg quantities
- Purity: ≥99% (HPLC & Mass Spec verified)
- Sequence: Tripeptide-copper complex, Ala-His-Lys-Cu(II)
- Storage: Store lyophilized powder at -20°C, protect from light; refrigerate at 2–8°C once reconstituted
Overview
AHK-Cu is a structural analog of GHK-Cu, substituting alanine for glycine in the tripeptide backbone, studied specifically for its melanogenesis-modulating activity in pigmentation research.
Mechanism & Research Findings
Like GHK-Cu, AHK-Cu delivers chelated copper to tissue, but research has focused specifically on its capacity to downregulate tyrosinase activity — the rate-limiting enzyme in melanin synthesis — in melanocyte cell-culture models, distinguishing it from GHK-Cu’s primary focus on collagen/MMP remodeling. This has made AHK-Cu a compound of interest in pigmentation and skin-brightening research pathways.
Research Applications
- Tyrosinase activity and melanogenesis research
- Melanocyte cell-culture studies
- Comparative structure-activity research vs. GHK-Cu
For laboratory research use only. Not for human consumption, diagnostic, or therapeutic use.



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