7 citations
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July 2011 in “Archives of Dermatology” Alopecia areata caused a boy's hair to regrow straight instead of curly, but the exact reason is unknown.
April 2025 in “Scholars International Journal of Anatomy and Physiology” Straight-lined hairlines are most common among Etche people.
2 citations
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April 1970 in “Archives of Dermatology” Ichthyosis serpentina may be a variant linked to bamboo hair, with a possible genetic component.
41 citations
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May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
2 citations
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July 2025 in “Journal of the European Academy of Dermatology and Venereology” The girl in "The Girl with a Pearl Earring" might have had alopecia areata, causing her lack of eyebrows and sparse eyelashes.
December 2025 in “Frontiers in Medicine” ARWH is a rare hair disorder with no cure, but potential treatments include minoxidil and other therapies.
28 citations
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January 2007 in “Dermatology” Chemotherapy can cause rapid, extensive hair loss, with patterns varying between individuals.
Frizzy hair is fragile and can lead to hair loss and damage if not properly cared for.
116 citations
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April 2020 in “Stem Cell Research & Therapy” Wharton's jelly stem cells show diverse traits and functions.
2 citations
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June 2023 in “Skin Research and Technology” Yellow dots and short vellus hairs are the most common signs of Alopecia Areata (AA), and trichoscopy can help diagnose AA and track treatment progress.
January 2022 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” Uncombable hair syndrome causes frizzy hair and can affect the nervous system, eyes, and ears, often co-occurring with other hair, skin, nail, and teeth conditions, and is linked to three specific gene mutations.
December 2018 in “European Journal of Pediatric Dermatology/PD. European journal of pediatric dermatology” Segmental vitiligo affects hair follicle melanocytes, causing small, uniform depigmented spots.
5 citations
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September 2015 in “BMC Medical Genetics” The EDAR gene mutation leads to thinner and more deformed hair shafts.
14 citations
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March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
1 citations
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August 2021 in “Canadian journal of neurological sciences” Woodhouse-Sakati syndrome can cause writer's cramp and other varied symptoms, highlighting the importance of genetic testing for diagnosis.
28 citations
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November 2009 in “Journal of Structural Biology” High flux X-ray beams quickly damage the structure of human hair.
30 citations
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January 2020 in “Journal of The American Academy of Dermatology” Fibrosing alopecia in a pattern distribution is a hair loss condition often confused with other types, requiring early treatment but usually not resulting in significant hair regrowth.
90 citations
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October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
33 citations
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September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Gap junctions help control feather pattern formation by enabling cell communication.
271 citations
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March 1999 in “Developmental biology” The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.
23 citations
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April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
1 citations
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September 2021 in “International journal of research - granthaalayah” Human hair has bipolar electrical charges because of a gap in the hair follicle's electromagnetic field.
17 citations
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January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
12 citations
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January 2009 in “Breast Cancer Basic and Clinical Research” Combining hair x-ray diffraction with mammography improves breast cancer detection.
Alopecia areata causes patchy hair loss but hair can regrow on its own.
Pvalb8 is essential for zebrafish hearing and hair cell development, and its mutation causes hearing loss.