January 2025 in “Annals of Dermatology” PCA patients have more harmful bacteria and antibiotic resistance, needing specific testing for treatment.
April 1996 in “Journal of Dermatological Science” April 2011 in “Companion Animal” Feline pododermatitis is less common in cats than in dogs.
14 citations
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November 2015 in “Dermatology” The research provided insights into the presentation and management of alopecic and aseptic nodules of the scalp.
38 citations
,
July 1993 in “Journal of Investigative Dermatology” 48 citations
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November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent spiny hair traits are due to genetic factors other than the Edar gene.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
2 citations
,
May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
January 2023 in “Springer eBooks”
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.
January 2020 in “Acta dermato-venereologica” People with certain hair disorders may also have missing permanent teeth.
4 citations
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January 2018 in “Indian dermatology online journal” Trichoscopy helped diagnose and cure a child's hair loss caused by a fungal infection.
About 19% of foxes and 18% of jackals in southwest Iran have at least one type of ectoparasite, mainly fleas.
21 citations
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April 2019 in “Clinical, cosmetic and investigational dermatology” The document concludes that stopping shaving or removing affected hair can alleviate Pseudofolliculitis barbae (PFB).
November 2025 in “Archaeometry” Animal hair from 18th-century Mazamet burial sites shows locals used goat, badger, cow, or horse fur for clothing, indicating modest economic status.
A man wrongly believed he had parasites, showing that delusional infestation can affect men and is often linked with other psychiatric issues, but can be treated with antipsychotics.
29 citations
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August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
18 citations
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May 2006 in “Journal of Cutaneous Medicine and Surgery” Linear lichen planopilaris can affect the trunk, not just the face.
27 citations
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October 1999 in “Experimental and Molecular Pathology” Stump-tailed macaque best for researching hair loss causes and treatments.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
April 2019 in “Journal of Investigative Dermatology” The humanized AA mouse model is better for testing new alopecia areata treatments.
4 citations
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May 2020 in “The journal of pediatrics/The Journal of pediatrics” A boy with monilethrix has brittle hair that breaks easily due to a genetic condition, which might improve by puberty.
15 citations
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March 2016 in “The American Journal of Dermatopathology” Demodex mites rarely cause scalp infections leading to hair loss, but when they do, treatment is effective.
November 2015 in “Pediatrics in review” The boy had severe facial swelling and scalp infection after using his mother's shampoo.
September 2019 in “Journal of Investigative Dermatology” Researchers successfully used nude mice to study human hair growth, which could help with future hair research.
34 citations
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November 1998 in “Journal of Investigative Dermatology” A common mutation in the hHb6 gene is linked to monilethrix, but other factors may also play a role.
7 citations
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November 2000 in “Clinics in Dermatology” Most hair loss in children is caused by a few common conditions and is easy to diagnose, but rare types require careful evaluation.
18 citations
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January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.