AHK-Cu + GHK-Cu Blend
ALSO SOLD AS Hair stack
See the stack breakdown →Last reviewed 2026-10-30
Our read Opinion
No trials of this combination were found. AHK-Cu evidence includes cultured cells and isolated human follicles, not demonstrated hair regrowth in treated patients; GHK-Cu evidence is formulation- and route-specific.
- Type
- Research-only / unapproved
- Regulatory status
- No FDA approval for the blend
- Compounding status
- Not allowed (blends excluded)
- FDA-approved indications
- None
- Evidence level
- In vitro / theoretical
- Routes studied
- Topical
- WADA
- Verify
- Developer
- —
Claims made by researchers, companies and users. Inclusion does not mean the claim is verified.
- —Claimed to support hair density and growth plus skin firmness
Copper-binding tripeptides influence cellular repair pathways in laboratory research. AHK-Cu has ex vivo hair-follicle findings; GHK-Cu has extracellular-matrix and skin-repair research.
Not a peptide: a pre-mixed blend of AHK-Cu + GHK-Cu. No FDA-approved therapeutic indication was identified for this blend or either component. Cosmetic use of copper peptides is not drug approval; FDA flags limited safety data for injectable GHK-Cu.
Statuses change; check the linked primary source.
Momentum Opinion
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Two copper peptides do not establish additive benefit. Cosmetic observations and laboratory hair-follicle effects cannot justify claims for a systemic blend.
No news yet for this peptide.
Information only. Not medical advice. Listing a compound is not an endorsement or a recommendation to obtain or use it. Ratings and "Our Take" are editorial opinion. Full disclaimer.