January 2015 in “Springer eBooks” Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
57 citations
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January 2020 in “International Journal of Molecular Sciences” PADs are crucial for healthy skin and hair, and their imbalance can cause skin and hair disorders.
5 citations
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September 2015 in “BMC Medical Genetics” The EDAR gene mutation leads to thinner and more deformed hair shafts.
April 2024 in “The journal of investigative dermatology/Journal of investigative dermatology” ASH2L is essential for skin and hair development.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
January 1980 in “Archives of Dermatology” "Telogen defluxion" is a better term for hair loss than "telogen effluvium."
2 citations
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August 1994 in “Archives of dermatology” A 19-month-old boy with a rare hair disorder showed mild improvement with treatment, but his family chose gentle hair care due to limited success.
14 citations
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June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve with age and can be managed with treatments like minoxidil, retinoids, supplements, and gentle hair care, but there's no cure.
1 citations
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January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
June 2026 in “Clinical Case Reports” Topical minoxidil and tretinoin improved hair growth in a girl with EDSS1 over two years.
14 citations
,
October 2018 in “PloS one” Deleting the Far2 gene in mice causes sebaceous gland issues and patchy hair loss.
September 2024 in “Journal of the American Academy of Dermatology” The new hair treatment significantly reduces hair shedding safely.
53 citations
,
September 1999 in “Journal of Synchrotron Radiation” Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
1 citations
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January 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
April 2016 in “Journal of Investigative Dermatology” Sonic hedgehog signaling is needed for the development of touch-receptor cells in the skin, and the loss of Polycomb repressive complex 2 can lead to more of these cells.
October 2020 in “M/C Journal” Society's view of "freaks" has shifted from natural deformities to extreme plastic surgery, reflecting changing beauty standards and pressures.
February 1994 in “Archives of Dermatology” Telogen effluvium is a condition that causes temporary hair loss.
1 citations
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January 2018 in “Open Scholarship Institutional Repository (Washington University in St. Louis)” Medieval authors used hair in literature to challenge identity and societal norms.
6 citations
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February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
1 citations
,
March 2025 in “Journal of Society of Cosmetic Chemists of Japan” BECD helps straighten wavy hair by reducing undulation.
26 citations
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January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
April 2018 in “Journal of Investigative Dermatology” Id2 gene helps keep hair follicle stem cells inactive.
February 2004 in “The New England Journal of Medicine” The book is a comprehensive resource on hair disorders, but lacks information on some conditions.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
38 citations
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September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
May 2012 in “CRC Press eBooks” Different types of hair loss within Telogen Effluvium are caused by various disruptions in hair growth cycles.
249 citations
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May 2003 in “Developmental Biology” Ectodysplasin-A1 is crucial for developing hair, teeth, and glands.
Mdm2 is crucial for controlling p53 to maintain healthy cells and prevent tumors.
April 2017 in “Journal of Investigative Dermatology” Removing the Crif1 gene in mouse skin disrupts skin balance and hair growth.