July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
13 citations
,
January 2002 in “Clinics in dermatology” A mushroom extract might reduce hair loss and liver damage caused by certain chemotherapy drugs in animals.
37 citations
,
June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
24 citations
,
December 1990 in “Pediatric Dermatology” Tight hairstyles like ponytails may cause hair casts by affecting scalp circulation and causing inflammation.
July 2024 in “Journal Archives of Health” Woolly hair is a rare genetic condition with no effective treatments.
4 citations
,
June 2020 in “Cosmetics” Broussonetia papyrifera extract helps hair growth by regulating specific proteins.
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.
7 citations
,
January 2012 in “International Journal of Trichology” A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.
April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
8 citations
,
January 2014 in “BioMed Research International” Eclipta alba extract was found to be effective in promoting hair growth in hairless mice.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
88 citations
,
March 2004 in “Journal of Investigative Dermatology”
1 citations
,
January 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
12 citations
,
March 2004 in “Journal of Investigative Dermatology”
28 citations
,
December 2010 in “Langmuir” Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
November 2021 in “International journal of research - granthaalayah” The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
December 2025 in “British Journal of Dermatology”
4 citations
,
January 2014 in “Indian dermatology online journal” Monilethrix is a genetic hair disorder causing fragile, beaded hair with no effective treatment.
2 citations
,
January 1987 in “PubMed” Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
3 citations
,
June 2020 in “Developmental Cell” Feather patterns are influenced by enhancers and chromatin looping, and the structure of protein complexes important for hair growth has been detailed.
6 citations
,
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.
12 citations
,
December 2011
33 citations
,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
11 citations
,
December 2015 in “Indian journal of dermatology, venereology, and leprology” Dermoscopy quickly and accurately diagnosed a rare hair disorder in a 12-year-old girl.