Hair Growth Potential of Ginseng and Its Major Metabolites: A Review on Its Molecular Mechanisms 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 GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect A novel cell penetrating peptide supports hair follicle growth through anti inflammatory and growth factorassociated mechanisms in preclinical models BMC Biotechnology Springer Nature Link