12 citations
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December 2021 in “Aging” A new painless method to collect hair follicles helps study DNA damage and aging.
January 2026 in “International Journal of Molecular Sciences” Eyebrow follicles are best for accurate genetic testing after stem cell transplants.
9 citations
,
September 2016 in “Plastic and reconstructive surgery. Global open” The curved nonrotary punch is better for hair extraction in people with tightly curled hair.
Malnourished people have weaker hair that is easier to pluck.
3 citations
,
October 2022 in “International Journal of Dermatology” COVID-19 can cause hair and nail disorders after infection.
April 1992 in “Pediatrics in Review” Quick, simple tests help diagnose children's skin fungal infections.
30 citations
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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.
Fungal infections like ringworm affect skin, hair, and nails in humans and animals, requiring culture for diagnosis and specific treatments.
April 2026 in “Aesthetic Cosmetology and Medicine” A balanced diet and nutricosmetics improve skin, hair, and nail health.
3 citations
,
November 1977 in “JAMA” Hair casts can be mistaken for lice, causing unnecessary stress.
December 2021 in “Research Square (Research Square)” Hair follicle sampling is a feasible method to measure FMRP and FMR1 mRNA levels in children.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
5 citations
,
January 2017 in “Arquivos Brasileiros de Oftalmologia” A rare genetic disorder causes sparse hair and vision loss due to a CDH3 gene mutation.
5 citations
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January 2016 in “Indian dermatology online journal” A 25-year-old man with multiple skin tumors was successfully treated with acitretin and methotrexate.
January 2015 in “Dermatology online journal” A man with total hair loss also developed a rare nail condition, likely due to autoimmune issues.
1 citations
,
January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.
December 2023 in “JEADV Clinical Practice” Brownish halos around axillary hair can help diagnose frontal fibrosing alopecia.
15 citations
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March 1996 in “PubMed” Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
18 citations
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August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
17 citations
,
October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
Hair follicles can effectively absorb nano-sized particles, making them potential targets for localized drug delivery.
8 citations
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September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
11 citations
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March 1959 in “Journal of Histochemistry & Cytochemistry” Sulphur, phosphorus, and metals are distributed differently in animal skin follicles, with variations in detection speed and location.
1 citations
,
January 1963 in “The Anatomical Record” Glyceride levels in mouse skin are higher during hair growth.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
4 citations
,
October 2015 in “JAAD Case Reports” Surgical grafting may fix nail issues caused by valproic acid.
10 citations
,
June 2011 in “Archives of Dermatology” Finasteride caused blisters on hands and feet.