41 citations
,
May 2005 in “International Journal of Cosmetic Science” Human hair contains various lipids that vary among individuals and help protect the hair.
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Hair changes could indicate neurological diseases and help monitor treatment.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
June 2018 in “British Journal of Dermatology” Hair cells lose their nucleus and mitochondria in a specific order as they fill with keratin, which could help develop treatments for hair issues.
35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
9 citations
,
June 2008 in “Springer eBooks” Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.
1 citations
,
July 2015 in “Microscopy Research and Technique” Friedreich's ataxia causes thin, weak hair with surface damage and cavities.
January 2013 in “The Pan African medical journal” Monilethrix causes short, fragile hair with no specific treatment available.
1 citations
,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
2 citations
,
January 2022 in “International journal of trichology” Eruptive vellus hair cysts are often missed in diagnoses.
3 citations
,
October 1994 in “Medical Molecular Morphology” The lower part of rat vibrissa hair gets more blood and is well-protected for growth.
1 citations
,
January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.
8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
4 citations
,
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.
4 citations
,
January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
26 citations
,
May 2001 in “British Journal of Dermatology” Pilomatrixomas likely originate from the hair matrix due to changes in hair keratin expression.
32 citations
,
August 1984 in “Lancet” 13 citations
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September 2017 in “Cytometry Part A” Horse hair follicles could be a new source of stem cells for healing horses.
April 2022 in “Journal of Investigative Dermatology” Hair shaft miniaturization leads to hair follicle stem cell loss, suggesting Piezo1 as a potential treatment target.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
February 2026 in “Biomedicine & Pharmacotherapy” MLPH helps hair grow by activating IGF-1 signaling in hair cells.
5 citations
,
February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
5 citations
,
January 1979 in “Archives of Dermatological Research” 9 citations
,
February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
7 citations
,
January 2019 in “Pharmaceutical Biology” Eclipta prostrata helps hair growth and maintains the growth phase by affecting certain growth factors.
26 citations
,
September 2005 in “International Journal of Dermatology” Hair shape is determined by genetic, molecular, and cellular factors.
15 citations
,
December 1972 in “Journal of Investigative Dermatology” The method effectively measures hair elasticity and could be useful in forensics.
March 1983 in “The Journal of the American Dental Association” 13 citations
,
January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.