Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
September 2014 in “Emergency Medicine News” The man's skin condition improved with sun protection and topical steroids, but UV exposure still caused flare-ups.
The nail immune system is similar to hair but different from skin, with fewer immune markers.
9 citations
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September 2020 in “Journal of cosmetic dermatology” A woman developed vitiligo from repeated eyebrow microblading.
April 2016 in “Journal of The American Academy of Dermatology” Women with PCOS often have hirsutism and skin changes, which indicate a need for metabolic health checks.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
December 2021 in “Trichology and cosmetology:” Taking Kera-Diet® improves hair and nail health without side effects.
October 2022 in “Medičnì perspektivi” Darier-White disease causes skin and nail issues, starts around age 20, worsens until 40-50, and has poor treatment options.
November 2009 in “Medical and Surgical Dermatology” September 2009 in “Medical and surgical dermatology/Medical & surgical dermatology” February 2009 in “Medical and surgical dermatology/Medical & surgical dermatology” 4 citations
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November 1999 in “PubMed” Monilethrix is a rare hair disorder causing beaded, fragile hair, often improving on its own over time.
April 2025 in “Revista Digital de Postgrado” Severe malnutrition in young children causes various skin and nail issues, mainly pigmentation changes and extreme thinness.
January 1939 in “Münchener medizinische Wochenschrift” 54 citations
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January 1995 in “Human Molecular Genetics” Monilethrix is linked to a gene cluster on chromosome 12.
28 citations
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September 1986 in “Pediatric dermatology” Zinc therapy improved hair health in a girl with acrodermatitis enteropathica.
11 citations
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
11 citations
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October 1980 in “Archives of Dermatology” Beau's lines and hair loss in a patient were linked to severe stress on the body.
1 citations
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October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
4 citations
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May 2022 in “Journal of Nepal Medical Association” Steroids, infection management, and nutritional support can significantly improve symptoms of Cronkhite-Canada Syndrome.
34 citations
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December 2009 in “Journal of the American Academy of Dermatology” Improper use of ceramic flat irons can cause severe hair damage.
21 citations
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September 1997 in “British Journal of Dermatology” Monilethrix is linked to the type II keratin gene on chromosome 12q13.
24 citations
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March 1998 in “Mycoses” Early diagnosis and effective treatment of kerion Celsi prevent scarring and permanent hair loss.
March 2004 in “Journal of the American Academy of Dermatology” Middle-aged women with cicatricial alopecia/lichen planopilaris responded well to treatments like ketoconazole shampoo and steroids.
January 2015 in “Turkiye Klinikleri Journal of Dermatology” Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.
September 2021 in “Mağallaẗ al-Muẖtar li-l-ʿulūm” Two sisters have rare hair disorders causing short, fragile, kinky hair.
60 citations
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March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
January 2005 in “Journal of Cutaneous Pathology” A new benign nail tumor called onychoblastoma was identified.
COVID-19 can cause hair loss and nail issues, with treatments available for these conditions.
December 2025 in “International Journal of Research in Dermatology” Keratosis pilaris is common in young females, and dermoscopy helps diagnose it accurately.