Comparison
GHK vs GHK-Cu
Side-by-side attributes from our library comparison data. Read each peptide leaf for dosing math, regulatory status, and citations.
GHK vs. GHK-Cu
| Attribute | GHK | GHK-Cu |
|---|---|---|
| Metal | No copper in the vial | Cu²⁺ complex (blue) |
| PIP | Usually milder recon | Copper sting is common |
| Literature | Thinner - most papers are GHK-Cu | Pickart dermal copper-peptide trail |
| GLOW | Not the GLOW component | The copper peptide in GLOW/KLOW |
Verdict: GHK Basic is the tripeptide without the metal. GHK-Cu is the literature standard. Same letters, different SKU.