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GHK-Cu stimulates angiogenesis primarily through upregulation of key growth factors including vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF/FGF-2), with research demonstrating that GHK-Cu at nanomolar concentrations increases VEGF expression in dermal fibroblasts and stimulates human umbilical vein endothelial cell (HUVEC) proliferation through enhanced VEGF and FGF-2 expression

That timeline assumes GHK-Cu is being used alongside a physical hair restoration treatment: PRP, exosomes, or microneedling with exosomes

The practical reason to read "Sermorelin vs GHK-Cu: Which Is Better?" is to separate useful context from easy claims about the main claim, safety boundary, and next practical step

Delivery method determines outcome