One molecule.
Endlessly studied.
CUPRÉ GHK-Cu is high-purity copper peptide powder — lab-tested, lot-tracked, and built for the future of beauty research. For research purposes only.
- ✦ ≥99% purity
- ✦ Third-party tested
GHK-Cu Copper Peptide Powder
High-purity copper tripeptide-1 (GHK-Cu) powder, third-party lab tested and lot-tracked with a Certificate of Analysis available on request. For research purposes only.
- ✦ ≥99% purity, HPLC-verified
- ✦ Sealed clear glass vial, lot-stamped
- ✦ Ships in 1–2 business days
- ✦ COA available on request
Why GHK-Cu?
GHK-Cu — glycyl-L-histidyl-L-lysine bound to copper — is one of the most studied copper peptides in cosmetic science. CUPRÉ sources it at research-grade purity so your work starts from a clean, verified baseline.
- One pure molecule. Copper tripeptide-1, nothing else added.
- Verified purity. Every lot is HPLC-tested at ≥99%.
- Full traceability. Lot-stamped vials with a COA on request.
- Stable handling. Sealed clear glass for safe transit.
How CUPRÉ GHK-Cu ships
Tested
Each lot is HPLC-verified at ≥99% purity before it's released.
Sealed
Filled into sealed, lot-stamped clear glass vials for stability.
Shipped
Dispatched within 1–2 business days.
What the CUPRÉ circle says
"Consistent purity batch to batch, and the COA was in my inbox the same day I asked. Exactly what I need."
"Packaging is genuinely beautiful and the vials are properly sealed and labeled. Reorder every time."
"Fast shipping and clear lot tracking. A modern, clean copper-peptide source."
Frequently asked
GHK-Cu is copper tripeptide-1 — the peptide glycyl-L-histidyl-L-lysine complexed with copper. CUPRÉ supplies it as a high-purity powder for research purposes only.
This product is sold strictly as a research material. It is not a drug, cosmetic, or supplement, and is not intended for human or animal consumption or therapeutic use.
Yes. Every lot is HPLC-tested at ≥99% purity, lot-stamped, and backed by a Certificate of Analysis available on request.
In sealed clear glass vials, dispatched within 1–2 business days. Free U.S. shipping over $75.
Unopened, sealed vials can be returned within 30 days. Opened research materials cannot be returned for safety and integrity reasons.