September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
To repair damaged hair, use products with proteins, lipids, and moisture like keratin, citric acid, and oils.
3 citations
,
February 1983 in “Journal of Investigative Dermatology” Hair plucking quickly increases antizyme, reducing a specific enzyme activity in rats.
March 2026 in “South Asian Research Journal of Medical Sciences” Removing keratin plugs and ingrown hairs improved scalp inflammation.
5 citations
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April 2016 in “The American Journal of Dermatopathology” A tick bite caused temporary hair loss in a man, which is a rare condition that usually gets better within 3 months.
20 citations
,
July 2008 in “Dermatologic Therapy” The document says that treating the root cause of hair follicle damage is crucial to prevent permanent hair loss, and treatment options vary.
9 citations
,
June 2020 in “JAAD Case Reports” Dissecting cellulitis may have genetic links and can cause permanent hair loss.
29 citations
,
January 2004 in “Experimental Dermatology” Topical anthralin helped regrow hair in mice with a condition similar to human alopecia.
7 citations
,
September 1980 in “Zoological Journal of the Linnean Society” Dendritic cells help regulate skin development and hair growth in mice.
2 citations
,
April 2018 in “Pediatric dermatology” Elaborate princess hairstyles at a theme park caused hair loss and scalp damage in young girls.
7 citations
,
December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
January 2016 in “Research Explorer (The University of Manchester)” Activating the Eda/Edar pathway improves wound healing by enhancing hair follicle growth.
4 citations
,
December 2022 in “Advanced science” SCD1 is important for hair growth by keeping the connection in skin cells where hair stem cells live stable.
September 2025 in “PubMed” Auricular electrostimulation reduces itching in mice.
January 2008 in “Medical Entomology and Zoology” 28 citations
,
September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
72 citations
,
September 1997 in “Journal of Investigative Dermatology” May 2000 in “Journal of Investigative Dermatology” Hedgehog signaling is crucial for hair development, cadherins affect cell adhesion, neutrophils play a role in skin lesions, and BP230 autoantibodies impact skin stability.
July 2017 in “D-Scholarship@Pitt (University of Pittsburgh)” Notch signaling stops Merkel cell development, and hair follicles help maintain them after skin injury.
42 citations
,
September 2003 in “Journal of Investigative Dermatology” A missing mK6irs1 gene causes hair loss in mice.
1 citations
,
January 2023 in “International journal of molecular sciences” Rabbits with Sarcoptes scabiei had thicker skin, cell death, and skin hardening.
January 2021 in “대한미용학회지” Boswellia may improve skin inflammation symptoms and positively influence hair growth in mice.
January 2005 in “Journal of Zhejiang University(Sciences Edition)” Yuyi hairless mice lose hair after birth, develop thick, loose skin with folds, and show disorganized skin structure as they age.
June 2020 in “Journal of Investigative Dermatology” Hair shaft malformation contributes to Central Centrifugal Cicatricial Alopecia.
December 2025 in “Therya notes” Bats in Puebla, Mexico, show hair loss likely due to environmental stress from human activities.
112 citations
,
January 2013 in “Experimental dermatology” Faulty Notch signalling may cause hair follicle changes and inflammation in hidradenitis suppurativa.
15 citations
,
November 2009 in “Journal of Comparative Pathology” Epidermolysis bullosa in calves was not caused by mutations in the keratin genes bKRT5 and bKRT14.
25 citations
,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
12 citations
,
July 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.
January 2015 in “Turkiye Klinikleri Journal of Dermatology” Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.