March 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
99 citations
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July 2005 in “Ultramicroscopy” The research improved understanding of hair and skin properties across different ethnicities and conditions.
November 2023 in “Journal of Basic Microbiology” Green-synthesized zinc oxide nanoparticles effectively inhibit common fungi found on human scalp hair.
25 citations
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April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels show past nutritional status, not environmental exposure.
25 citations
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November 2020 in “Proceedings of the National Academy of Sciences” HoxC genes are crucial for normal hair and nail development.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
19 citations
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July 2004 in “Australasian Journal of Dermatology” Her hair grew back normally after she stopped rubbing it.
July 2014 in “Acupuncture & electro-therapeutics research” Visible and invisible changes on the face and hands can indicate heart problems, and manual hand stimulation can relieve chest pain.
4 citations
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November 1970 in “PubMed” Mustard oil and unsaturated fatty acids can stop the growth of scalp fungus and prevent it from infecting hair.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
21 citations
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April 2004 in “Australasian Journal of Dermatology” A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
1 citations
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March 2024 in “Pathogens” Beau's lines on nails may indicate severe COVID-19 or vaccination response.
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 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
45 citations
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April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
August 2023 in “Journal of the European Academy of Dermatology and Venereology” Onycholemmal horn is a rare nail tumor in elderly women, treated by surgical removal.
9 citations
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October 2014 in “Experimental and Clinical Endocrinology & Diabetes” Knuckle Acanthosis Nigricans is common in Latin American youth and may indicate early insulin resistance, especially in those with normal weight.
31 citations
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April 2004 in “Journal of Investigative Dermatology” A new mouse gene, Keratin 17n, is mainly found in nail tissue and may explain why mice without Keratin 17 don't have nail issues.
4 citations
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November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
January 1939 in “Münchener medizinische Wochenschrift” 17 citations
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August 2018 in “Clinics in Dermatology” Skin and hair-picking disorders are common and need both skin and mental health treatments.
4 citations
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April 2018 in “Biotechnology Letters” Human growth factor 20 can boost mouse whisker growth.
50 citations
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January 1986 4 citations
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March 2021 in “Experimental dermatology” Minoxidil increases nail growth more than biotin.
April 2025 in “Revista Digital de Postgrado” Severe malnutrition in young children causes various skin and nail issues, mainly pigmentation changes and extreme thinness.
15 citations
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August 2015 in “Scanning” Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.
44 citations
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August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
February 2005 in “Journal of The American Academy of Dermatology” Not all nail problems are caused by fungus, new allergens are being identified, PCOS has various treatments, and aesthetic procedures like Botox are advancing.
February 2010 in “Journal of The American Academy of Dermatology” NB-002 is a promising new topical treatment for fungal nail infections, showing better results than a non-medicated option.
March 2014 in “Journal of The American Academy of Dermatology” Reflectance confocal microscopy can noninvasively diagnose onychomatricoma by showing unique features different from healthy nails or nail fungus.