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.
42 citations
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April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
33 citations
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September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
28 citations
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June 1991 in “Veterinary Dermatology” Black and white Saluki dogs have a unique hair loss condition different from Doberman pinschers.
26 citations
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December 2009 in “Laser Physics” Caffeine from shampoo penetrates hair follicles quickly and stays for at least 24 hours.
24 citations
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February 2007 in “Laser Physics Letters” Caffeine shampoo penetrates hair follicles deeply and stays for up to 48 hours.
17 citations
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February 1987 in “Journal of the American Academy of Dermatology” The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
11 citations
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January 2000 in “Journal of cosmetic science” Hydrolyzed wheat proteins penetrate all hair types effectively.
4 citations
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September 2019 in “Journal of Biomedical Optics” Medulla loss in scalp hair could help detect breast cancer.
3 citations
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January 2020 in “Annals of Dermatology” More atypical club hairs may indicate Telogen Effluvium.
1 citations
,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
June 2020 in “Journal of Investigative Dermatology” The technique effectively shows how human skin and hair cells form into ball-like structures.
January 2003 in “Linchuang pifuke zazhi” Melanin granules can be expelled by exocytosis.
March 1997 in “Medical Molecular Morphology” Zinc deficiency causes early scalp hair damage that recovers slower than skin symptoms.
5 citations
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September 2006 in “Natural medicines/Journal of natural medicines” Microscopic hair features can identify different Cauda Cervi species.
4 citations
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October 2019 in “Skin Appendage Disorders” Gefitinib can cause hair and eyebrow darkening.
4 citations
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July 2024 in “BMC Zoology” Dromedary camel hair structure and mineral content change with age.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.
12 citations
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January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
1 citations
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November 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Male and female human hairs have different microscopic structures that can help in forensic analysis.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” The research provided a detailed view of the non-keratinous parts of human hair fibers.
Daily hair care may cause holes in hair fibers.
19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
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.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
14 citations
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July 2007 in “International Journal of Cosmetic Science” The new 3D imaging method accurately measures hair surface details quickly.
2 citations
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March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
1 citations
,
March 2023 in “Anais Brasileiros de Dermatologia” October 2021 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” The active ingredient improves the strength of damaged hair fibers.