February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
2 citations
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July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
April 2023 in “Journal of Dermatological Treatment” Tofacitinib helped regrow hair in a teen with a unique pattern of alopecia areata.
February 2024 in “Medicina” AFM can diagnose hair disorders by revealing detailed hair surface changes.
35 citations
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January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
6 citations
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August 2006 in “Journal of Cutaneous Pathology” Two teenage brothers had a rare, treatment-resistant form of female-pattern hair loss with unusual scalp changes.
30 citations
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November 2012 in “Proceedings of the Royal Society B Biological Sciences” Hard α-keratins stay stiff in water because the surrounding matrix keeps them dehydrated and strong.
30 citations
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July 2021 in “Annals of Botany” Localized nutrients boost maize growth and phosphorus uptake by enhancing root hairs and lateral roots.
8 citations
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September 2024 in “International Journal of Molecular Sciences” Polymers can be designed to mimic natural cell environments for medical uses.
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.
4 citations
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January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
January 2022 in “Institutional Repositories DataBase (IRDB)” Pen-type microwells are best for forming hair follicle germ structures.
10 citations
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January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
October 2025 in “International Wound Journal” Gamma-irradiated amniotic fluid improves healing and reduces thickness of hypertrophic scars.
April 2023 in “Journal of Investigative Dermatology” 3D ultrasound can detect hair follicle changes and disease phases in alopecia areata.
24 citations
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July 2017 in “Structure” FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.
January 2023 in “Journal of Cutaneous Pathology” The study found certain scalp biopsy features can help tell apart alopecia areata from pattern hair loss even when typical immune cells are not seen.
January 1961 in “The Journal of Anthropological Society of Nippon” Hair form in mixed-blood families varies due to hereditary twist-knots and pigment formation.
1 citations
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June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
June 2026 in “Journal of Cutaneous Pathology” Polarized light microscopy is better at distinguishing scarring from non-scarring alopecia than diffractive microscopy.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
19 citations
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April 2024 in “Nature Cell Biology” 1 citations
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January 2018 in “Journal of Cosmetics Dermatological Sciences and Applications” A targetoid hair regrowth pattern indicates recovery in alopecia areata.
Different treatments change the strength and flexibility of human hair.
January 2025 in “International Journal of Dermatology” Afro-textured hair in indigenous South Africans has lower density and unique features, needing specific evaluation standards.
10 citations
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December 2014 in “Journal of Pharmaceutical and Biomedical Analysis” Finasteride's polymorphic form affects capsule quality and drug effect, requiring strict control.
8 citations
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August 2007 in “Histopathology” Different growth patterns in thyroid tumors are influenced by where cell growth and death occur.
27 citations
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March 2018 in “Journal of Experimental Biology” Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.
Root hairs help us understand plant growth and the role of the actin cytoskeleton.