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Copper Peptide Research
GHK-Cu, also written GHK Cu, is a copper-binding tripeptide. This GHK Cu raw powder comes as 1 gram of bulk material for lab research and formulation development. The 1G format suits work that needs more material than a vial holds, such as analytical work, comparison studies and controlled...
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Volume pricing applies automatically from three vials and reaches 20% at twenty. Larger runs, institutional supply and custom timelines get a quote.
Ask about bulkVerified test results
Each batch is analyzed by an independent third-party laboratory before release. The lots below were tested by Chromate and ILS Laboratories. Below is the report for lot 5316X, summarized from the certificate the lab published.
Every lot we have published for this compound, grouped by the lab that tested it, newest first. Open any certificate below, exactly as the lab released it.
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Technical specifications
Peer-reviewed literature
Every reference below is a published, peer-reviewed record, linked to its PubMed entry. Provided for educational reference only - not product claims.
Important research notice
Not for human, veterinary, or food use. This product is sold exclusively for laboratory research purposes. It is not intended to diagnose, treat, cure, or prevent any disease, and has not been evaluated by the FDA.
All referenced publications and registries are sourced from peer-reviewed journals and official registries. They are provided for educational reference only and are not product claims.
By purchasing, you confirm you are a qualified researcher and will handle this product in accordance with all applicable laws and regulations.
Ready when you are
The lot on this page links to the signed certificate for that batch.
Raw research powder
GHK-Cu, also written GHK Cu, is a copper-binding tripeptide. This GHK Cu raw powder comes as 1 gram of bulk material for lab research and formulation development. The 1G format suits work that needs more material than a vial holds, such as analytical work, comparison studies and controlled preparation models.
| Sequence | Gly-His-Lys bound to one copper(II) ion |
|---|---|
| Class | copper-binding tripeptide |
| Molecular formula | C₁₄H₂₂CuN₆O₄, the neutral 1:1 copper complex |
| Molecular weight | 401.91 g/mol |
| Also called | copper tripeptide-1 |
| Format | 1 gram of raw powder |
GHK-Cu has been studied since the 1980s, mostly in cell culture, rodent models and formulation work. Each finding below names its model:
| Copper uptake | GHK readily formed a complex with copper(II) and raised copper uptake into cultured hepatoma cells (Pickart et al., 1980). |
|---|---|
| Collagen in cell culture | in fibroblast cultures, GHK-Cu stimulated collagen synthesis (Maquart et al., 1988). |
| Rat wound-chamber model | in rats fitted with implanted chambers, GHK-Cu raised the collagen, glycosaminoglycan, DNA and total protein measured in the chambers (Maquart et al., 1993). |
| Formulation | early formulation work found GHK-Cu highly water-loving (hydrophilic). It broke down by hydrolysis under basic and oxidative stress (Badenhorst et al., 2016). |
| Copper state | a 2026 review argues that many papers handle GHK-Cu as one fixed substance, even though the way its copper is bound changes with the formulation (Mateescu et al., 2026). |
Raw powder calls for proper lab equipment and careful weighing, storage and preparation. This page lists these storage steps:
Our research guide adds general lab practice. Let the sealed container reach room temperature before you open it, so moisture does not settle on the powder. Make stock solutions in water or a buffer between pH 4.5 and 7.4. GHK-Cu stayed stable in that range under heat stress, while alkaline solutions and oxidizers drove its breakdown (Badenhorst et al., 2016).
Bulk raw material needs more oversight than a finished vial. Before release, we review sourcing, batch records and identity checks. Each batch also goes through third-party lab testing, so you are not relying on anonymous commodity material.
Our lots are tested by Chromate and ILS Laboratories. ILS is ISO/IEC 17025 accredited. Every order ships with certificate access for its lot. Find your lot in the COA portal, and read about the labs at ILS Laboratories and Chromate.
Need vials instead? The GHK-Cu vial listing offers 50 mg and 100 mg vials. For cited research and storage notes, read the GHK-Cu research guide.
Primary research relevant to the named compound or clearly identified component is linked below. Experimental results depend on identity, model and formulation.
Studied a copper-peptide complex in fibroblast cultures. Cell-culture findings do not establish skin penetration or performance of a finished formulation.
Retain the product label and lot number with the research record. Review the matching certificate of analysis for test coverage and reported results. Identity, analytical purity, measured content, sterility and endotoxin testing are distinct assessments; one does not establish the others.
Follow the supplied label and your laboratory’s validated handling and storage procedures. Record the vehicle, concentration and preparation date where relevant. Dry-material stability does not establish the shelf life of a prepared solution.
Match the compound or ingredient identity, format, labeled quantity and shipping lot. Similar names or different formulations should not be treated as equivalent.
Open the linked certificate for the assigned lot or use the COA portal. Check sample identity, methods, date and reported measurements. A report for another lot or formulation is not a substitute.
The references describe the materials and conditions used by their authors. They do not establish that this commercial formulation was tested. For blends, evidence on an individual component does not validate the finished mixture or establish synergy.
The current certificate is matched to the selected product option and assigned shipping batch.
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