GHK-Cu Australia | Cosmetic Research Peptide
GHK-Cu is one of the most widely referenced copper peptides in scientific research. A naturally occurring tripeptide (glycine-histidine-lysine) bound to a copper ion, first identified in human plasma, it is cited across decades of scientific literature — making it one of the most researched peptides available in Australia, particularly in skin-cell, collagen and connective-tissue research models.
GHK-Cu is available in 50mg and 100mg strengths, supplied as a lyophilised powder with independent third-party testing.
What Is GHK-Cu?
GHK-Cu is a small peptide made of three amino acids that binds tightly to copper, an element involved in many cellular processes. In published literature it is studied for its role in collagen formation, tissue remodelling and gene-expression signalling, which makes it a common subject across academic and preclinical dermatological and cellular studies.
GHK-Cu Research Background
Interest in GHK-Cu spans some of the most active areas of peptide research: skin-cell and collagen models, tissue-remodelling studies and copper-signalling research. It is frequently compared with related copper peptides such as AHK-Cu. Findings remain within a research context, and GHK-Cu continues to be one of the most-studied peptides as work in this area develops.
GHK-Cu Specifications
| Peptide | GHK-Cu |
|---|---|
| CAS Number | 49557-75-7 |
| Strength | 50mg / 100mg |
| Form | Lyophilised powder |
| Purity | 50mg: 99.54% · 100mg: 99.675% (tested batches) |
| Testing Method | Independent third-party analysis (Ozcanium Analytics, UPLC-MS/MS · Janoshik) |
| Storage | 2–8°C |
Quality & Testing
Both strengths of GHK-Cu have been independently analysed by third-party laboratories (Ozcanium Analytics and Janoshik) for identity, content and purity. The test reports are shown below so researchers can verify exactly what they receive — see our Lab Results page for all current reports.
Ordering GHK-Cu in Australia
GHK-Cu is held in local Australian stock and dispatched the same business day on orders placed and paid before 1pm AEST, Monday to Friday, with tracked delivery nationwide. On arrival, store the lyophilised powder refrigerated, away from light, to maintain stability.
Related Research Peptides
Researchers working with GHK-Cu often also look at AHK-Cu, GLOW and KLOW, studied in related copper-peptide and tissue research. Browse the full range of research peptides in Australia on our shop page.
Research use only. This product is intended strictly for laboratory research use. It is not for human or animal consumption, and not for diagnostic or therapeutic use. Nothing on this page constitutes medical advice or a therapeutic claim, and no statement here should be taken as describing an effect of GHK-Cu in humans.


