June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
June 2025 in “British Journal of Dermatology” Topical minoxidil may help improve hair growth in rare congenital hypotrichosis.
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.
January 2022 in “The Pan African medical journal” Hypertrichosis causes excessive hair growth and needs psychological support due to its impact on self-esteem.
1 citations
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August 2011 in “Dermatology Reports” Two siblings were found to have a genetic condition causing progressive hair loss and woolly hair, which may often be misdiagnosed.
2 citations
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December 2013 in “Journal of dermatology” A specific gene mutation causes a rare hair loss condition in a Chinese patient.
2 citations
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May 2018 in “Journal of The American Academy of Dermatology” Hypothyroidism patients with hair loss typically have thinning hair, smaller hair follicles, and normal hair shedding.
21 citations
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April 2004 in “Australasian Journal of Dermatology” A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
17 citations
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January 1991 in “Acta Dermato Venereologica” A family had a genetic condition causing hair loss on the scalp, passed down through four generations.
June 2022 in “Dermatologic Therapy” Oral minoxidil and growth factors improved hair density and thickness in a girl with hereditary hair loss.
September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
2 citations
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November 2011 in “Pediatric dermatology” 1 citations
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April 2018 in “Turkish Journal of Dermatology” Childhood hypertrichosis is excessive hair growth not linked to hormones, with types based on location and origin.
November 2024 in “JAAD Case Reports” A 21-month-old boy has a rare genetic disorder causing sparse hair due to an LSS gene mutation.
September 2025 in “Indian Journal of Dermatology” A Turkish woman has a hair condition caused by a LIPH gene mutation.
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.
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.
4 citations
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April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
5 citations
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June 2014 in “Der Hautarzt” Genetic testing can identify causes of rare hair loss disorders in children, but no treatments exist.
12 citations
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July 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Different hair fiber development might explain why hair loss severity varies in patients with a specific genetic mutation, and treatments that thicken hair could help.
July 2024 in “JAAD Case Reports” Isotretinoin may effectively treat hereditary hypotrichosis simplex, a rare hair loss condition.
9 citations
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May 2021 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Topical minoxidil may help treat a rare genetic hair condition with no fully effective treatments yet.
August 2025 in “Skin Appendage Disorders” Topical minoxidil can help improve hair in trichonodosis.
33 citations
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October 2005 in “Journal of Investigative Dermatology” A specific gene mutation causes sparse, brittle hair in a family.
September 2022 in “IP Indian journal of clinical and experimental dermatology” An 8-year-old girl has a rare genetic disorder causing complete, irreversible hair loss and skin bumps.
2 citations
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January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
50 citations
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February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.