30 citations
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
2 citations
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January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
49 citations
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June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
17 citations
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February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
1 citations
,
January 2018 in “Jornal Brasileiro de Patologia e Medicina Laboratorial” Monilethrix causes brittle hair and hair loss, and it runs in families.
19 citations
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
1 citations
,
May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
5 citations
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October 2012 in “CMAJ. Canadian Medical Association journal” The girl had harmless hair casts, not lice.
May 2024 in “JCI insight” A variant in the ADAM17 gene causes hair loss by increasing protein degradation through TRIM47.
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
8 citations
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July 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Curly hair is mechanically different from straight hair and may need new testing methods.
31 citations
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April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
28 citations
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October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
September 2024 in “Genes” Genes affect pig hair patterns, aiding better breeding.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
7 citations
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July 2011 in “Archives of Dermatology” Alopecia areata caused a boy's hair to regrow straight instead of curly, but the exact reason is unknown.
September 2014 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” OCT can effectively examine and reveal details about human hair and scalp conditions.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
14 citations
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March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
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.
May 2026 in “Applied Spectroscopy” Humidity affects hair structure changes during stretching.
1 citations
,
April 2009 in “Wiley Encyclopedia of Forensic Science” Microscopic hair analysis helps identify species and sometimes individuals in forensic science.
36 citations
,
July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.
The 16th-century mummy's hair was well-preserved due to a calcium coating.
Thicker hair resists fungal damage better, and hair color doesn't affect susceptibility.
9 citations
,
July 1982 in “International Journal of Dermatology” A 31-year-old man's hair turned white suddenly, likely due to alopecia areata.