13 citations
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January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
13 citations
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October 2004 in “Anais Brasileiros De Dermatologia” The document concludes that compulsive hair disorders, like trichotillomania, are complex and require careful diagnosis and treatment from both psychiatric and dermatological perspectives.
26 citations
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January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
56 citations
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January 1970 in “Cell and Tissue Research” 26 citations
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August 2014 in “Veterinary Dermatology” Sphynx cats have abnormal hair follicles and keratinization affecting their skin.
18 citations
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July 2003 in “Dermatologic Surgery” The conclusion is that creating natural-looking hair restoration requires replicating natural scalp whorl patterns and inserting grafts at specific angles.
September 2025 in “Indian Journal of Dermatology” A Turkish woman has a hair condition caused by a LIPH gene mutation.
59 citations
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November 2011 in “Development” Trps1 is essential for proper hair follicle development.
12 citations
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December 2011 7 citations
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July 2025 in “The Journal of Physiology” C-tactile nerves are sensitive to hair movement.
3 citations
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January 1981 Tight traditional hairstyles can cause hair loss.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
1 citations
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February 2024 HPV6/11 is often found in hair of men with anogenital warts, especially pubic hair, and can lead to recurrent warts.
January 2002 in “Proceedings of The Japanese Society of Animal Models for Human Diseases” Keratin2-6g is crucial for hair follicle development, with mutations causing cell degeneration and vacuolation.
95 citations
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January 2007 in “Human biology” Human hair can be classified into eight types based on physical features, not ethnicity.
191 citations
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
December 2022 in “The Turkish Journal of Pediatrics” Hair examination helps diagnose rare neurological diseases in children.
2 citations
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March 1997 in “Hair transplant forum international” Transplanting rat whisker follicles can lead to successful hair growth after cutting them.
5 citations
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February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
6 citations
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January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
18 citations
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April 2010 in “Langmuir” Human hair surface varies in wettability, showing daily and monthly patterns.
3 citations
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October 2020 in “Dermatology Practical & Conceptual” Bubble hair damage is caused by high heat from styling tools, and trichoscopy helps diagnose it.
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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March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
5 citations
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September 2012 in “Journal of Investigative Dermatology” Scientists can mimic hair disorders by altering genes in lab-grown human hair follicles, but these follicles lack some features of natural ones.
29 citations
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August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
3 citations
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July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
61 citations
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February 1997 in “Differentiation” Hair differentiation starts earlier than thought, involving multiple type-II keratins.