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Updated: Jan 9, 2026

Mechanical and Controlled PRP Injections in Patients Affected by Androgenetic Alopecia
Published on: January 27, 2018
Refractory Alopecia Areata of the Beard: Novel Improvement Through Exosome Therapy With Signs of Hair Repigmentation
Asem Shadid1, Khalid Nabil Nagshabandi2, Danah K AlRuhaimi2
1Department of Dermatology King Fahad Medical City Riyadh Saudi Arabia.
Abstract:
Exosome injections derived from human umbilical cord, with or without polydeoxyribonucleotide, induced robust regrowth, repigmentation of previously white beard hairs, and scar improvement in a 35-year-old man with refractory alopecia areata of the beard, suggesting a promising minimally invasive regenerative option.
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