95 citations
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October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
85 citations
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January 1990 April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
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December 2011 in “Clinical and Experimental Dermatology” A woman developed rare, unexplained curly hair on her scalp and eyelashes.
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December 2018 in “Routledge eBooks” Hair is made of strong keratin fibers that protect against the environment.
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July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
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May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
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February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
55 citations
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November 2010 in “Development” Hair follicles in mutant mice self-organize into ordered patterns within a week.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
16 citations
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January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
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July 2019 in “Fibers And Polymers/Fibers and polymers” 42 citations
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January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.
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January 2001 in “Journal of Investigative Dermatology” 34 citations
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December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
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November 2005 in “Archives of Dermatological Research” 7 citations
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July 2025 in “The Journal of Physiology” C-tactile nerves are sensitive to hair movement.
1 citations
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September 2003 in “CRC Press eBooks” Hair is important for social and sexual communication in humans.
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January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
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January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
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February 1989 in “Journal of Investigative Dermatology”