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August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
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April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
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December 2004 in “British Journal of Dermatology” The cyst had unusual keratin spherules and resembled bone marrow.
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December 2017 in “British Journal of Dermatology” Different skin cells produce unique materials, which can improve skin substitutes for healing.
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January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
August 2025 in “Journal of Investigative Dermatology” Fibronectin is essential for hair follicle regeneration and may help rejuvenate aged skin.
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October 1976 in “Biochemical Journal” Naked-mouse hair lacks certain proteins and has less soluble fibril.
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Fructus Psoraleae may help treat hair loss by inhibiting 5-α reductase and affecting the Nrf2-Keap1 pathway.
July 2024 in “Journal of Investigative Dermatology” Reactive lipids from aging cells change the extracellular matrix, affecting cell function and inflammation.
October 2023 in “International journal of molecular sciences” Key proteins and pathways regulate wool fiber diameter in Alpine Merino sheep.
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May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
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November 1959 in “Annals of the New York Academy of Sciences” 13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
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April 2021 in “Angiogenesis” Lymphatic vessels develop from various cell types and mechanisms, not just veins.
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December 2003 in “Veterinary clinical pathology” The Persian cat has a skin infection caused by a fungus, treatable with antifungal medication.
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July 2009 in “Veterinary dermatology” Vesiculobullous lesions should be considered part of canine cutaneous epitheliotropic T-cell lymphoma.
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January 2020 in “Genes” The KRTAP21-2 gene affects wool length and quality in sheep.
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The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
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March 2020 in “International Journal of Biological Macromolecules” Lower acetylation makes chitin nanofibers thinner and more suitable for various uses.
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
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June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
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December 2015 in “Textile Research Journal” Adding amber particles to polyamide fibers makes them suitable for medical textiles like compression socks.
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February 2000 in “Journal of the American Academy of Dermatology” Eosinophils are not a reliable marker for diagnosing alopecia areata.
January 2009 in “Xumu shouyi xuebao” Sheep cells were successfully modified to include a spider silk protein gene.
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January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
March 2026 in “Mendeley Data” Basement membrane-like ECM supports fibroblast aggregation and cohesion.