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GHK-Cu (copper peptide)
Last checked 21 Oct 2026A small peptide paired with copper. You'll mostly see it in skincare serums. It's also sold online as a 'research' powder, which is a very different thing.
- Also calledCopper peptide, copper tripeptide-1
- Commonly discussed forSkin and hair (evidence is limited)
- Lab reports1 found below
Not TGA approved. Research use only.
In plain English
GHK-Cu occurs naturally in the body. Skincare brands add it to serums and creams. Research on it is ongoing and most of it is early, so treat big claims with care.
Lab reports
| Vendor | Tested by | Date | Report |
|---|---|---|---|
| NuVion Health | Janoshik Analytical | 8 July 2026 over 90 days | View →: NuVion Health report for GHK-Cu (opens in a new tab) |