This review explores the impact of COVID-19 on skin appendages beyond COVID-toes, highlighting hair and nail disorders in affected individuals, but provides no new clinical results.
50 citations
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November 2021 in “Viruses” This study observed that in vitro exposure to dihydrotestosterone worsened COVID-19 spike protein-induced endothelial injury, while spironolactone showed potential in reducing this effect, suggesting a rationale for further evaluation in treating COVID-19.
November 2025 in “Scientific Reports” In this study, researchers linked SARS-CoV-2 infection to telogen effluvium in some COVID-19 patients by observing the accumulation of viral proteins in hair follicle cells, which may trigger stress responses and cell death, suggesting hair follicles as a potential target in COVID-19.
This study proposes that neutralizing antibodies and exosomes in convalescent plasma may interfere with early immune responses, potentially explaining limited success of this therapy in active COVID-19 infections.
1 citations
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September 2023 in “Journal of the American Academy of Dermatology” COVID-19 vaccines have been linked to an increase in hair loss conditions.