High-purity cosmetic peptide widely explored for its role in skin appearance and peptide–copper interactions.
Product is currently 'out of stock' - due to restock at the end of January. This is to allow us to continue to provide the best shipping service to all of our clients. Product waitlist page is available to register on, in order to receive restock notification.
GHK-Cu is a naturally occurring tripeptide bound to copper, recognised for its striking blue colour and long-standing interest within cosmetic and peptide research communities. It is frequently selected for studies involving skin appearance, ageing pathways, collagen-related modelling, and general peptide–mineral behaviour.
Researchers value GHK-Cu for its stability, versatility, and compatibility with a wide range of cosmetic science investigations. Its unique ability to bind copper ions makes it a popular choice in projects focused on complexion brightness, firmness, and visual skin quality within non-clinical, observational contexts.
Key Features
Premium-grade copper peptide
Distinctive blue coloration (normal and expected)
What’s Included:
10mg vial
All required research accessories - 1ml insulin needles, alcohol prep pads, bacteriostatic water.
An information card containing non-directive guidance on safe storage, basic product details, and general-use considerations appropriate for authorised investigative settings.
More Information:
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GHK-Cu Research Sample
Additional Information
This product is supplied in accordance with TGA compliance requirements and is intended strictly for research, analytical, and educational purposes only. It is not designed for human consumption, medical use, therapeutic application, or performance-related outcomes. No health, treatment, or usage claims are expressed or implied. Retacore Australia provides this item solely for controlled, authorised non-clinical environments.
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