January 2026 in “Dermatologic Surgery” In this systematic review, researchers found that injectable therapies, including agents like dutasteride and multivitamin formulations, may offer cosmetic benefits for androgenetic alopecia; however, evidence is limited by small study sizes, varied methods, and short follow-up periods, necessitating standardized trials for routine use recommendations.
November 2021 in “Journal of Aesthetic Nursing” This study found that injectable platelet-rich fibrin (iPRF) combined with microneedling is a safe and effective treatment for male androgenetic alopecia, but it currently lacks comparison data against other popular therapies.
This review suggests that injectable platelet-rich fibrin therapy shows promise for improving hair density in androgenetic alopecia and enhancing facial skin texture and elasticity, but larger studies are needed to confirm its effectiveness.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that gene therapy using a mouse cytomegalovirus vector with telomerase reverse transcriptase or follistatin significantly extended lifespan and improved health markers in mice, without adverse effects.
June 2022 in “International Journal of Research in Dermatology” This study found that injectable platelet-rich fibrin significantly improved hair growth and patient satisfaction as a cost-effective adjuvant treatment for androgenetic alopecia.