January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
43 citations
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August 2008 in “Regenerative Medicine” Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
15 citations
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July 2001 in “Clinics in Dermatology” Current hair removal methods improve appearance but need more research for better options.
6 citations
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December 2011 in “Clinical and Experimental Dermatology” A woman developed rare, unexplained curly hair on her scalp and eyelashes.
3 citations
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December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
January 2022 in “Autopsy and Case Reports” A man had a non-cancerous neck tumor related to hair follicles removed with no return of the tumor.
September 2024 in “The Journal of Dermatology” Nevus comedonicus can sometimes grow terminal hair, challenging previous beliefs.
8 citations
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October 2019 in “Dermatologic Therapy” Bicalutamide improves hair density in women safely.
2 citations
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December 1994 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The treatment effectively reduced hair growth and was safe for patients with PCOS, but it needs better bleeding control.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
December 2011 in “British Journal of Dermatology” As women age, they experience changes in hair density and volume, face challenges in distinguishing normal hair loss from disease, and have limited access to treatments for hair issues.
A woman's excess male hormone symptoms were caused by a rare benign tumor in her ovary.
8 citations
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
January 2023 in “International Journal of Trichology” Bicalutamide mesotherapy may help with hair loss and seborrhea but needs more research.
October 2025 in “Journal of the Endocrine Society” Leydig cell tumors in the ovary can cause high testosterone and male traits in postmenopausal women but are treatable with surgery.
January 2013 in “Obstetrical & gynecological survey” Most women with hirsutism have normal hormone levels and can be treated with cosmetic methods; obesity and PCOS are common causes, and treatments depend on the underlying issue.
125 citations
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August 1992 in “Development” Implanted dermal papillae can induce hair growth in rat ear wounds.
23 citations
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February 2019 in “International Journal of Molecular Sciences” Activin B can boost hair growth by promoting cell proliferation and cell cycle progression.
Pregnancy and hormonal contraceptives can cause temporary hair loss on the scalp and increased hair growth on the face and body.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
July 2012 in “International Journal of Trichology” Hair disorders are complex and varied, with diverse treatments available.
November 2014 in “British Journal of Dermatology” Male hair loss is mainly due to thinner hair, not less hair.
January 2018 in “Springer eBooks” Trichotillomania is a condition where people repeatedly pull out their hair, which can be triggered by stress and has various physical signs.
September 2022 in “F1000Research” Removing hair from mice without reproductive glands led to grey hair, possibly helping to understand greying in aging.
6 citations
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January 1977 in “Archives of dermatological research” December 2024 in “Journal of Pediatric Surgery Case Reports” Surgical removal of hair effectively treated pilonidal omphalitis in a teenager.
11 citations
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June 1985 in “Journal of cutaneous pathology” Examining many sections is key to correctly diagnosing hair follicle disorders.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.