January 2003 in “Annals of Dermatology” Iron deficiency can cause hair abnormalities, but taking iron can fix them and stop hair loss.
25 citations
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December 2008 in “Journal of Dermatological Case Reports” In vivo reflectance confocal microscopy is useful for evaluating hair shaft diseases but needs improvement for deeper hair follicle issues.
36 citations
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August 2018 in “Dermatologic Clinics” Trichoscopy is a useful tool for diagnosing hair disorders without pulling out hair.
11 citations
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January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
40 citations
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February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.