93 citations
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July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
9 citations
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February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
7 citations
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August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.
19 citations
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March 2015 Human hair has electromagnetic properties.
October 1999 in “Inpharma weekly” 5 citations
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July 1999 in “Journal of Anatomy” Methylene blue staining effectively highlights detailed nerve structures in rat fur.
51 citations
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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.
1 citations
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August 2025 in “Journal of Investigative Dermatology” Genetic studies on hair traits can improve understanding of health and disease.
1 citations
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May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
55 citations
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February 2014 in “Journal of Structural Biology” Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
96 citations
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February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.
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 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
81 citations
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December 2007 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
5 citations
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July 1999 in “Journal of Anatomy” Methylene blue staining effectively reveals detailed nerve structures in rat snouts.
2 citations
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December 2022 in “International journal of molecular sciences” Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.
30 citations
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January 1999 in “Journal of Cutaneous Pathology” Spiny keratoderma may be ectopic hair formation on palms and soles.
8 citations
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
21 citations
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December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
10 citations
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November 1997 in “British Journal of Dermatology” A 10-year-old boy had the earliest reported case of hair that became progressively kinkier but eventually returned to normal on its own.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
March 2023 in “Journal of Student Research” Humans likely became hairless to better regulate body temperature.
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.
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.
23 citations
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July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.