21 citations
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September 1997 in “British Journal of Dermatology” Monilethrix is linked to the type II keratin gene on chromosome 12q13.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
19 citations
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October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
11 citations
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January 1990 in “Cell and Tissue Research” Minoxidil does not specifically target any hair follicle cells.
4 citations
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
38 citations
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July 1993 in “Journal of Investigative Dermatology”
21 citations
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October 1988 in “Clinics in Dermatology” The study used monkeys to test a hair loss treatment called minoxidil, which showed positive results.
8 citations
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February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
7 citations
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January 2012 in “International Journal of Trichology” A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.
35 citations
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January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A specific immune response helps control mite populations on the skin, maintaining healthy hair follicles.
March 2025 in “International Journal of Trichology” Oral minoxidil improved hair thickness in a person with monilethrix.
17 citations
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November 2013 in “American Journal of Primatology” Different monkey species in a lab showed varying levels of hair loss due to factors like type, sex, age, season, and living conditions.
21 citations
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March 2003 in “Clinical and Experimental Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
5 citations
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July 1999 in “Journal of Anatomy” Methylene blue staining effectively reveals detailed nerve structures in rat snouts.
July 2024 in “Journal of Cosmetic Dermatology” Hydrophilic melanin may help hair grow by improving blood flow and regeneration.
2 citations
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January 2019 in “Annals of Dermatology” Melandrium firmum extract helps mice grow hair by blocking a hair loss enzyme and changing hair growth genes.
2 citations
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January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
27 citations
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September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
1 citations
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August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
23 citations
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January 2011 in “International Journal of Immunopathology and Pharmacology” Minoxidil 2% effectively treats Monilethrix without side effects.
54 citations
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June 1985 in “American Journal of Dermatopathology” Minoxidil helps grow longer, thicker hair in bald scalps of stumptailed macaques, and early treatment is more effective.
22 citations
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April 1967 in “Australian Journal of Zoology” Southern elephant seals develop hair follicles and skin layers before birth, with moulting starting a week after birth and finishing in three weeks.
3 citations
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January 2021 in “Veterinary dermatology” A litter of cats had a hair condition similar to a mouse mutation, leading to hair loss and abnormal hair and skin.
July 2025 in “ACS Pharmacology & Translational Science” Maslinic acid from olive extracts promotes hair growth like minoxidil.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
44 citations
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April 1979 in “Journal of Ultrastructure Research”