Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides Hydrogel forming microneedles loaded with VEGF and Ritlecitinib polyhydroxyalkanoates nanoparticles for mini invasive androgenetic alopecia treatment ScienceDirect Vascular Endothelial Growth Factor and Angiogenesis in the Regulation of Cutaneous Wound Repair Kelly E. Johnson, Traci A. Wilgus, 2014 GFC is prepared from the patient's blood in a closed system where platelets are activated ex vivo to release growth factors like PDGF, VEGF, EGF and IGF1, which are then injected into