In short: GHK-Cu is a copper-binding tripeptide studied in pre-clinical (in-vitro and animal) models of collagen synthesis, wound healing and skin regeneration. It is supplied strictly for laboratory research and is not approved for human use. For research buyers, the key purchasing criteria are verified purity (≥99% HPLC), confirmed identity (mass spectrometry) and batch traceability.
What is GHK-Cu?
GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) is a copper-binding tripeptide first identified in human blood plasma, where it occurs naturally and declines with age. As a research compound it is studied for its role as a signalling molecule in tissue-repair pathways. It is used as a research compound only and is not a medicine — it is not approved for therapeutic, cosmetic or human use.
What does the research investigate?
Published pre-clinical literature has examined GHK and GHK-Cu in models of Type I and Type III collagen synthesis, fibroblast proliferation, angiogenesis, antioxidant and anti-inflammatory signalling, and wound-healing kinetics. Several in-vitro studies report effects on collagen production and cellular pathways involved in skin remodelling. Important: much of this work is in-vitro or in animal/tissue models; such findings do not establish safety or efficacy in humans. Always read the primary sources directly.
Purity and quality: what research buyers should check
For reproducible research, compound quality is everything:
- ≥99% purity by HPLC — confirm via the batch Certificate of Analysis.
- Identity by mass spectrometry — confirms the correct molecular weight.
- Batch numbering — traceability to a tested lot.
Vexar Lab supplies GHK-Cu as a pack of 10 vials, ≥99% HPLC-verified, batch-numbered, with mass-spec confirmation.
Handling and storage
Copper peptides are light- and oxidation-sensitive. Follow standard lyophilised-peptide practice: store sealed vials appropriately and protected from light, reconstitute with the diluent specified by your method, and record batch numbers in your lab notes.
Wholesale supply
GHK-Cu is available wholesale: packs of 10 vials, £300 minimum order, bulk pricing on volume, £45 flat worldwide shipping, and optional custom labelling for resellers.
Frequently asked questions
Is GHK-Cu approved for human or cosmetic use?
No. It is a research compound supplied for in-vitro laboratory research only and is not approved for human consumption or cosmetic application.
Why is it called a copper peptide?
GHK forms a stable complex with copper ions; the copper is integral to the molecule studied in the research literature.
How is it supplied?
As a pack of 10 vials, wholesale, with a £300 minimum order and £45 flat worldwide shipping.
Provided for research professionals. GHK-Cu and all compounds referenced are intended strictly for in-vitro laboratory research and are not for human consumption. Verify all claims against primary literature and confirm local regulations before purchase.
Related: Healing & Recovery research peptides · Lab standards & purity testing · Shop all research peptides · How to buy research peptides wholesale