August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
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.
71 citations
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January 2011 in “Journal of cutaneous pathology” A rare skin condition was confirmed to be associated with a specific virus in a young girl.
19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.
5 citations
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September 2023 in “Molecules” These methods help understand cell structures and reactions.
July 2023 in “Turkish journal of veterinary research” Wild boar bristles in Balıkesir vary in length and thickness but are unsuitable for species separation.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
Daily hair care may cause holes in hair fibers.
6 citations
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January 2000 in “The Journal of Trace Elements in Experimental Medicine” Zinc supplements effectively treat acrodermatitis enteropathica.
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
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December 2019 Bimatoprost eye drops can increase eyelash length and strength.
January 2000 in “The Journal of Trace Elements in Experimental Medicine” Zinc supplementation effectively treats acrodermatitis enteropathica symptoms.
May 1966 in “Zhurnal Tekhnicheskoi Fiziki (U.S.S.R.) For English translation see Sov. Phys. - Tech. Phys. (Engl. Transl.)” Finasteride can prevent breast cancer progression by blocking progesterone's conversion to a cancer-promoting hormone.
January 2025 in “Mansoura Medical Journal” Age and androgen levels significantly affect meibomian gland structure and function.
August 2019 in “Journal of Investigative Dermatology” The study found that tight junctions reach the top layer of the skin's stratum granulosum, not just the second top layer as previously thought.
March 2012 in “Korean Journal of Microscopy” Quantum dot nanoparticles can penetrate skin and reach sebocytes through hair follicles.
27 citations
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July 1983 in “Journal of Investigative Dermatology”
26 citations
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December 2022 in “Journal of the American Academy of Dermatology” Monkeypox skin lesions show full-thickness skin death and swollen skin cells, with the virus found in affected cells.
12 citations
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August 1988 in “Histopathology” The tumor likely shows dual neural crest differentiation.
1 citations
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December 2019 in “Clinical ophthalmology” Bimatoprost eye drops make rabbit eyelashes longer, thicker, and darker, and increase the number of lashes without causing inflammation.
September 2025 in “Pakistan Journal of Science” Diabetics have lower essential element levels, which may contribute to diabetes, and certain plants might help manage it.
September 1990 in “Journal of Dermatological Science” 161 citations
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June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
95 citations
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January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
63 citations
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December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
59 citations
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August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
55 citations
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May 2007 in “Australasian journal of dermatology” Two boys developed a viral skin infection during chemotherapy, which resolved with improved immune function.
34 citations
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August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.