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demonstrated dose-dependent proliferation effects on cultured human dermal papilla cells exposed to GHK-Cu at physiologically relevant concentrations.3 Subsequent work has confirmed that this effect translates into upregulation of genes associated with anagen-phase activity including VEGF, FGF-2, and IGF-1, the three growth factors most directly implicated in hair-cycle regulation
Among them, the AHK-Cu peptidea copper-complexed tripeptidehas stood out for its possible influence on cell signaling, tissue repair, and even disease modulation
Some peptides can not only regulate hormones but can function as hormones themselves
It is also possible that prolonged use or incorrect dosages could result in unanticipated complications
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