What is AHK-Cu used for?
AHK-Cu is most commonly used for users targeting hair-follicle support specifically; stack add-on alongside GHK-Cu for skin + hair routines; topical-only researchers. A peptide promoted for hair growth. A copper-binding tripeptide cousin to GHK-Cu, promoted specifically for hair-follicle support. Limited human data, most evidence is in vitro and topical formulation. Human evidence for AHK-Cu is limited, so these are the goals people pursue with it, not guaranteed outcomes.
What people use AHK-Cu for
- Users targeting hair-follicle support specifically
- Stack add-on alongside GHK-Cu for skin + hair routines
- Topical-only researchers
References
- The effect of tripeptide-copper complex on human hair growth in vitro — Pyo HK, Yoo HG, Won CH, Lee SH, Kang YJ, Eun HC, Cho KH, Kim KH — Archives of Pharmacal Research, 2007;30(7):834-9
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-15.