January 2026 in “International Journal of Molecular Sciences” Eyebrow follicles are best for accurate genetic testing after stem cell transplants.
January 2024 in “Journal of Cosmetic Dermatology” Men's and women's pattern hair loss progress differently, with men showing more hair thinning and women having more widespread hair loss.
30 citations
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April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
86 citations
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February 2012 in “Journal of Clinical Investigation” Stem cells in hair follicles are diverse and change throughout the hair cycle.
78 citations
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June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
January 2007 in “The Year book of dermatology” Researchers successfully isolated and identified key stem cells in human hair follicles, which could help develop new skin and hair treatments.
33 citations
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December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
18 citations
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October 1978 in “The journal of investigative dermatology/Journal of investigative dermatology” Excess vitamin A causes lasting gland changes in mouse hair follicles.