The copper peptide trend has gone from creams to injections — ahead of the science0

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• September 7, 2026

Copper peptides have become the darling of social media skin care hacks. People are smearing the electric-blue tincture on their face or drawing the concoction up in syringes. The compound, known as GHK-Copper, or simply GHK-Cu, has gained a massive following because of claims it can deliver firm and wrinkle-free skin, better hair and other