7 citations
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June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.
December 1978 in “Indian Journal of Otolaryngology and Head & Neck Surgery”
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
30 citations
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February 1996 in “Journal of Investigative Dermatology” 44 citations
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October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
39 citations
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June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
68 citations
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August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
108 citations
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October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
2 citations
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January 2017 Hair movement can indicate hair quality and health.
11 citations
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February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
16 citations
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June 2005 in “Clinical and Experimental Dermatology” Twisted hair is rare in severe anorexia nervosa, found in only 2 out of 30 patients.
7 citations
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January 1990 43 citations
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July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
Hair movement can indicate hair quality and health.
May 2006 in “Dermatologic Surgery” Most nonbald men's multi-hair follicles are naturally positioned perpendicular to a line from the scalp's crown, which is important for natural-looking hair transplants.
1 citations
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April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
10 citations
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June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
13 citations
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January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
December 2025 in “British Journal of Dermatology” 4 citations
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November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
33 citations
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September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
10 citations
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
13 citations
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January 2018 in “Advances in experimental medicine and biology” September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
49 citations
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January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure”
6 citations
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August 2012 in “The Journal of Pediatrics” A 12-year-old girl was diagnosed with monilethrix, a genetic condition causing fragile, beaded hair that breaks easily, with no effective treatment available.
33 citations
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June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.
41 citations
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December 2008 in “Pediatric Dermatology” Trichoscopy can diagnose Netherton syndrome without pulling hairs.