Using the regenerative power of your own blood, platelet-rich fibrin (PRF) microneedling harnesses the growth factors in your platelets to increase the collagen induction benefits of microneedling
If cardiovascular health is what you think is important for deciding between these drug classes, I think our most recent study provides some strong evidence
Extra caution is appropriate in patients with active cancer, recent cancer, unexplained masses, unexplained weight loss, pregnancy, breastfeeding, known allergy to peptide products, active infection, immune compromise, significant liver or kidney disease, active inflammatory or autoimmune disease flares, unusual clotting history, uncontrolled cardiovascular disease, use of chemotherapy or immune-modifying biologic therapy, and competitive athletes subject to anti-doping rules
At Perfect B, the protocol runs three months on and two months off
doi: 10.1038/nn1452, 155 WaddenT