26 citations
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October 2016 in “Case Reports in Dermatology” In this study, tofacitinib treatment in a male patient with alopecia areata led to significant hair regrowth and improvement in nail dystrophy symptoms, restoring finger function within 10 months.
November 2025 in “International Journal of Research in Medical Sciences” In this randomized, placebo-controlled study, Titagen® was found to improve skin, hair, and nail health in adults consuming 5g daily, and reduce pain and improve quality of life for osteoarthritis patients taking 10g daily, without related adverse events.
19 citations
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May 1984 in “Digestive diseases and sciences” A young woman's Cronkhite-Canada syndrome improved on its own after she gave birth.
June 2023 in “British Journal of Dermatology” This study observed that baricitinib treatment led to significant improvements in hair regrowth and quality of life scores in adults with severe alopecia areata over 24 weeks, with an acceptable safety profile as most adverse effects were transient.
78 citations
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January 2017 in “Skin appendage disorders” This review discusses the use of biotin for hair and nail growth, noting clinical improvement in cases with existing pathologies, but concludes there is insufficient evidence supporting its benefits for healthy individuals.