6 citations
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January 2016 in “International Journal of Trichology” Taking 1 mg of finasteride daily could potentially treat rare hair conditions like Acquired Progressive Kinking of the Hair and whisker hair.
44 citations
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January 2005 in “Dermatology” Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.
48 citations
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August 1998 in “Developmental Biology” Deleting part of a gene in mice causes wavy hair and high pup loss.
4 citations
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April 1978 in “PubMed” Netherton syndrome in a boy caused skin and hair issues, and treatment didn't work.
21 citations
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March 2003 in “Clinical and Experimental Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
8 citations
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March 1990 in “Indian Journal of Dermatology Venereology and Leprology” Cutting matted hair stopped further hair loss caused by homemade shampoo.
2 citations
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March 2023 in “JAAD case reports” Hair repigmentation can indicate malignancy and should be investigated.
May 2024 in “Our Dermatology Online” Excessive hair loss can be an early sign of celiac disease.
21 citations
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April 2014 in “PLoS ONE” A rare gene variant causes hair and nail issues in a family.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
1 citations
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February 2013 in “Clinical pediatrics” The baby’s hair loss was due to a rare genetic condition, not treatable by usual methods.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
April 2017 in “IOSR journal of dental and medical sciences” Netherton Syndrome is a non-treatable genetic disorder in children causing skin, hair, and allergy issues.
7 citations
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January 2012 California Ground Squirrel hair can indicate environmental health by showing element accumulation.
5 citations
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September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
1 citations
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August 1981 in “The Journal of Dermatology” All major hair defects involve cuticle abnormalities.
December 2020 in “Dermatology practical & conceptual” Trichoscopy helped diagnose a teenage girl's hair loss as monilethrix.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” LIPH mutations cause woolly hair in some Chinese people.
August 2023 in “The Kitakanto Medical Journal” Image analysis can effectively identify changes in scalps affected by chemotherapy-induced hair loss.
175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
2 citations
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May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
4 citations
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January 2009 in “PubMed” A mutation in the KRT86 gene causes hair fragility in a Turkish family.
December 2021 in “2021 International Conference on Electronic Information Technology and Smart Agriculture (ICEITSA)” Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
19 citations
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July 2004 in “Australasian Journal of Dermatology” Her hair grew back normally after she stopped rubbing it.
January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
3 citations
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March 2010 in “Dermatologica Sinica” A Taiwanese patient had hair loss and skin bumps without the usual gene mutation, suggesting other genetic factors might be involved.
6 citations
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May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.