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GHK-Cu delivers copper for enzymatic activity

That is a mechanistically attractive claim, and the pathway itself is unquestionably central to hair biology but the strength of the direct evidence tying GHK-Cu specifically to Wnt activation in human follicles is weaker than the confident phrasing online implies, and much of it is filtered through commercial rather than primary literature

Mechanism of Action: Epitalon works by upregulating telomerase activity, which protects cells from age-related damage by preserving telomere length

Research shows GHK-Cu peptide helps immune cells work more efficiently during repair