10 citations
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October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
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.
30 citations
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February 2015 in “Anais Brasileiros de Dermatologia” Trichoscopy is useful for diagnosing Netherton syndrome in children with skin issues.
52 citations
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April 2016 in “Journal of the American Academy of Dermatology” Certain black hairstyling practices increase the risk of traction alopecia, requiring better management and education.
27 citations
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February 2006 in “International Journal of Dermatology” Some children and young adults with eyebrow and eyelash hair loss actually have a hair-pulling disorder, often with related psychological issues.
95 citations
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October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
1 citations
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August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
14 citations
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June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve with age and can be managed with treatments like minoxidil, retinoids, supplements, and gentle hair care, but there's no cure.
9 citations
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August 2012 in “Thermochimica Acta” Finasteride's two forms have different stability based on temperature and pressure.
1 citations
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May 2023 in “JAMA dermatology” Tight hairstyles can cause hair loss, which can be permanent if not treated early.
11 citations
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November 1996 in “Pediatric dermatology” Trichostasis spinulosa can look like acne but usually affects adults, not children.
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February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
6 citations
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December 2016 in “Journal of Obsessive-Compulsive and Related Disorders” Adults with trichotillomania do not have different pain sensitivity to cold pressor pain compared to healthy individuals.
52 citations
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January 2003 in “Journal of Investigative Dermatology” Thrombospondin-1 is crucial for hair follicle regression and reduced blood vessel growth during the catagen phase.
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January 1994
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January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
January 2025 in “JCEM Case Reports” Enzyme replacement therapy may help alleviate symptoms in complex cases like this.
1 citations
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January 2014 in “Indian Journal of Dermatology, Venereology and Leprology” The 'Swiss cheese' pattern in scalp biopsies can indicate trichotillomania, not just alopecia areata.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” Tight hairstyles can cause a rare scalp condition with thick skin folds.
17 citations
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October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
7 citations
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February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
43 citations
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November 1988 in “The Journal of Comparative Neurology” Different types of hairs on a rat's hindlimb have varying levels and patterns of nerve innervation.
30 citations
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July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
1 citations
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April 2022 in “Crystal Growth & Design”
60 citations
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August 2008 in “Human molecular genetics online/Human molecular genetics” A position effect on the TRPS1 gene causes excessive hair growth in humans and mice.
Black hair's diversity in patterns and textures is influenced by follicle shape and keratin, and it holds cultural, artistic, and mathematical significance.
7 citations
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January 2016 in “Dermatology online journal” Persistent pulling on hair can cause permanent hair loss.