10 citations
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November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
15 citations
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December 2014 in “PLoS ONE” A mutation in the iRhom2 gene causes hairless mice due to abnormal hair follicle development.
8 citations
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March 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” The 14-3-3σ gene is essential for preventing hair loss.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
60 citations
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November 2013 in “Development” Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
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.
97 citations
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March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
3 citations
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June 1979 in “The Journal of Dermatology” Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.
October 1999 in “Inpharma weekly” 8 citations
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July 1997 in “Archives of Gerontology and Geriatrics” June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists found new and known long non-coding RNAs in mouse hair follicle stem cells that may be important for stem cell function and could be targets for cancer treatment.
13 citations
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March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
41 citations
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October 2001 in “Experimental Dermatology” The nude gene is important for skin and hair development.
3 citations
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December 2013 in “Journal of Cell Science” Keratin 79 cells help form and regenerate hair canals.
July 2023 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.
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.
7 citations
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August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.
18 citations
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January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
11 citations
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May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology” September 2025 in “Indian Journal of Dermatology” A Turkish woman has a hair condition caused by a LIPH gene mutation.
23 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
24 citations
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November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
19 citations
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May 2006 in “Clinical and Experimental Dermatology” Researchers found a new mutation causing total hair loss from birth.
February 2012 in “Clinical and Experimental Dermatology” Many adult women experience unexplained excessive hair shedding, often starting before age 40.
10 citations
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August 2013 in “Experimental Dermatology” Hairless protein and putrescine regulate each other, affecting hair growth and skin balance.