Compound Reference

AHK-Cu

A copper-binding tripeptide (hair/skin research)

Skin & cosmeticEvidence: cosmetic/preclinicalTopical cosmetic · injectable RUO

Research Use Only. Not an approved medicine and not for human use. Educational only — no dosing or medical advice.

What it is

AHK-Cu is a copper-binding tripeptide (alanine-histidine-lysine + Cu) related to GHK-Cu, studied mainly for hair-follicle and skin effects in cosmetics.

Proposed mechanism

Like other copper peptides it is proposed to support angiogenesis and growth-factor signaling around hair follicles; most data are topical/cosmetic.¹

State of the evidence

Cosmetic/preclinical; systemic human data minimal.

Regulatory & status

Topical cosmetic use; injectable is RUO.

References

Copper peptides in skin/hair (literature). PubMed: copper peptide hair

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For educational and research purposes only. This content is not medical advice. Compounds referenced are research use only and not intended to diagnose, treat, cure, or prevent any disease. Free Peptide University does not sell compounds.