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While large randomized controlled trials specifically examining injectable GHK-Cu for hair remain limited, the mechanistic evidence is strong

They are not for human consumption, veterinary use, or medical applications

Copper tripeptide-1 (GHK-Cu) is the most studied compound in this class, proposed to work by stimulating dermal papilla cells, improving scalp vascularity, and reducing inflammation

All professional treatments mentioned should be performed by licensed medical practitioners in Singapore, using HSA-approved or otherwise MOH-approved products, devices, and techniques, as applicable

Its concentrations vary widely in food, so it may be difficult to track consumption