13 citations
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October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
55 citations
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November 2018 in “American journal of human genetics” Mutations in the LSS gene cause a rare type of hereditary hair loss.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
February 2023 in “Journal of dermatology” The first Japanese case of a genetic hair disorder caused by specific mutations in the LIPH gene was identified.
January 2008 in “Medical Entomology and Zoology”
7 citations
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January 2012 in “International Journal of Trichology” A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.
22 citations
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July 2019 in “PLOS ONE” Skin lymphatic vessels are essential for hair growth.
11 citations
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April 2012 in “Journal of Investigative Dermatology” A specific mutation in PA-PLA1α causes abnormal hair growth.
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.
1 citations
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January 2020 in “Indian Dermatology Online Journal” Pigtail hair is a sign of new hair growth and should be recognized in hair loss conditions like acute telogen effluvium.
June 2023 in “The Journal of Family Practice” The hair loss is likely due to a fade haircut.
1 citations
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March 2013 in “Journal of Dermatological Case Reports” A rare skin condition affected only the facial hair of a 46-year-old man.
158 citations
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December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
2 citations
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January 1987 in “PubMed” Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
January 2020 in “Dermatology Online Journal” A young Caucasian man experienced a rare type of hair loss on the back of his head.
5 citations
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October 2019 in “JAAD Case Reports” These hair loss conditions might be part of a spectrum, not separate issues.
5 citations
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January 2016 in “Skin appendage disorders” A rare skin condition called linear lichen planopilaris caused itchy red bumps and hair loss on a man's face.
21 citations
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July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
1 citations
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January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
88 citations
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March 2004 in “Journal of Investigative Dermatology” 19 citations
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May 2016 in “Matrix Biology” Deleting a specific protein in skin cells disrupts normal hair growth and development.
33 citations
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September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
15 citations
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December 1972 in “Journal of Investigative Dermatology” January 2016 in “Indian dermatology online journal” The patient has frontal fibrosing alopecia (FFA).
January 2022 in “The Pan African medical journal” Hypertrichosis causes excessive hair growth and needs psychological support due to its impact on self-esteem.
25 citations
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March 2013 in “British Journal of Dermatology” Woman has discoid lupus, frontal fibrosing, and androgenetic alopecia.
20 citations
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August 2003 in “Clinical and Experimental Dermatology” A new genetic mutation in the hairless gene causes a rare hair loss disorder.