52 citations
,
October 1999 in “Developmental Dynamics” Mutations in the hairless gene in mice affect its expression and lead to a range of developmental issues in multiple tissues.
January 2024 in “Elsevier eBooks”
January 2023 in “Vìsnik problem bìologìï ì medicini” Androgenic alopecia causes hair follicle degradation and skin restructuring, but some hair elements remain.
4 citations
,
November 2025 in “Nature Reviews Disease Primers”
5 citations
,
October 1984 in “The BMJ” Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.
9 citations
,
January 1999 in “Dermatology” Men with X-linked recessive ichthyosis may not experience typical male-pattern baldness.
28 citations
,
October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
6 citations
,
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.
21 citations
,
June 2009 in “Mammalian genome” A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
October 1966 in “Archives of Dermatology” A 19-year-old female with alopecia universalis experienced total hair loss, and previous treatments were ineffective.
February 2022 in “CRC Press eBooks” Hair disorders include hair loss, excessive hair growth, and ingrown hairs, with various treatments available depending on the cause.
21 citations
,
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.
425 citations
,
June 2020 in “Nature” Scientists created human skin with hair from stem cells, which could help treat hair loss and skin conditions.
12 citations
,
March 2004 in “Journal of Investigative Dermatology”
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.
January 2013 in “The Pan African medical journal” Monilethrix causes short, fragile hair with no specific treatment available.
Hair loss causes significant psychological distress.
September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
7 citations
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September 1977 in “PubMed” A new technique called hair-lifting was introduced to treat male-pattern baldness and can also give a partial face-lift.
1 citations
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September 2021 in “Gynäkologische Endokrinologie” Hair loss has many causes, so treatment varies.
June 2022 in “Authorea (Authorea)” A 59-year-old woman was diagnosed with a rare hair loss condition called lipedematous alopecia.
July 2025 in “International Journal of Trichology” A 6-year-old boy's leg hair loss was due to friction from sitting cross-legged, and it usually resolves on its own.
2 citations
,
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.
March 2012 in “Journal of The American Academy of Dermatology” Dermoscopy helps diagnose different hair loss conditions, and characteristics vary among ethnicities and individual cases.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
Loose anagen hair syndrome in children may improve with age, but treatment results vary.
4 citations
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December 2017 in “American Journal of Dermatopathology” Naked hair shafts are significantly associated with scarring hair loss and may help diagnose it, especially when multiple are found.