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PMCID: PMC9009089

NICE and NHS guidance on hair loss does not include GHK-Cu as a recommended or evidence-based treatment option

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Cost and Accessibility: If we look at the cost difference between our two preferred vendors, it is slightly more economical to purchase and use the injectable form of Selank

But they come with significant drawbacks: high cost, injection site reactions, increased infection risk due to immune suppression, and the development of anti-drug antibodies over time that can reduce efficacy