Refractory Alopecia Areata of the Beard: Novel Improvement Through Exosome Therapy With Signs of Hair Repigmentation

    December 2025 in “ Clinical Case Reports
    Asem Shadid, Khalid Nabil Nagshabandi, Abdullah Al‐Omair
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    Studysummary This study found that exosome injections from human umbilical cord, with or without polydeoxyribonucleotide, promoted regrowth and repigmentation of white beard hairs and improved scarring in a 35-year-old man with refractory alopecia areata, suggesting potential as a minimally invasive regenerative treatment.
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