April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” The Lanyu pig's hair follicles are similar to human ones, making it useful for studying skin healing.
6 citations
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January 2016 in “Skin appendage disorders” A man with rare Lichen Planopilaris lost body hair, not scalp hair, and treatment stopped itching but didn't regrow hair.
January 2022 in “The Pan African medical journal” Hypertrichosis causes excessive hair growth and needs psychological support due to its impact on self-esteem.
37 citations
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June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
2 citations
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July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
36 citations
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July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.
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.
1 citations
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March 2010 in “Internal medicine journal” A 72-year-old man with sudden taste issues and hair growth was diagnosed with a severe stomach cancer and died within 5 months.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.
2 citations
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January 2005 in “PubMed” Women with excessive body hair often have higher male hormones and related health issues.
11 citations
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February 1980 in “BMJ. British medical journal” Hirsutism is common body hair growth due to genetics and hormones, and while not a disease, it can be distressing; virilisation includes hirsutism with other male traits and needs medical attention.
40 citations
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February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
May 2024 in “JAAD Case Reports” A young man was diagnosed with a rare hair loss condition usually seen in older women.
1 citations
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January 2013 in “Indian journal of dermatology, venereology, and leprology” A girl inherited excessive body hair from her mother and grandmother.
27 citations
,
June 2020 in “Genes” Lykoi cats' unique sparse hair is linked to specific genetic variants in the Hairless gene.
July 2024 in “Journal Archives of Health” Woolly hair is a rare genetic condition with no effective treatments.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
1 citations
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February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
June 2001 in “European Journal of Dermatology” A 54-year-old woman experienced progressive hair loss starting in adolescence, leading to sparse scalp hair and almost no eyebrows or eyelashes.
June 2022 in “IP Indian journal of clinical and experimental dermatology” A woman had a rare, non-cancerous skin growth on her face, which was removed and did not come back after a year.
September 2024 in “The Journal of Dermatology” Nevus comedonicus can sometimes grow terminal hair, challenging previous beliefs.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
9 citations
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January 2003 The evolution of mammal body hair remains a mystery.
6 citations
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February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
June 2022 in “Authorea (Authorea)” A 59-year-old woman was diagnosed with a rare hair loss condition called lipedematous alopecia.
1 citations
,
March 2013 in “Journal of Dermatological Case Reports” A rare skin condition affected only the facial hair of a 46-year-old man.
1 citations
,
November 2010 in “Pediatric dermatology” An 11-month-old girl has no scalp or body hair, and the cause is being studied.
2 citations
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April 2012 in “American Journal of Dermatopathology” Accurate diagnosis of NLS with dilated hair follicles is crucial to distinguish it from other conditions.