Mesenchymal Stem Cell-Derived Exosomes Can Effectively Improve Hair Count and Terminal Hair Diameter in Androgenetic Alopecia

    Xuesong Wang, Jing Pang, Xiuhuan Wang, Xinzhou Liu, Zhenbo Hu, Guoyan Liu
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    A study involving 8 male subjects with androgenetic alopecia (AGA) evaluated the safety and efficacy of intradermal injections of stem cell-derived exosomes over 24 weeks. The treatment, administered every 4 weeks, significantly improved hair density and diameter without serious adverse events. These findings suggest that stem cell exosome injections are a promising and safe treatment for promoting hair growth and thickening in male AGA patients, warranting further large-scale research to confirm long-term effects and mechanisms.
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