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 Peptide Therapy for Hair Growth: Explore Your Options A novel cell penetrating peptide supports hair follicle growth through anti inflammatory and growth factorassociated mechanisms in preclinical models BMC Biotechnology Springer Nature Link Copper peptides (GHK Cu) have been studied for decades for their role in tissue repair and that same biology applies to hair. Research shows GHK Cu may help strengthen existing hair follicles, reduce