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February 2022 in “Cureus” Frontal fibrosing alopecia can sometimes look like syphilitic hair loss.
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October 2001 in “British Journal of Dermatology” Keratin K6irs is a marker for the inner root sheath of hair follicles in mice and humans.
September 2016 in “Journal of Dermatological Science” Certain gene mutations in Japanese people are linked to different types of hair loss, with some causing mild hair thinning and others leading to complete baldness.
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March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
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June 2019 in “IEEJ Transactions on Sensors and Micromachines” A new device mimics hair follicle functions and detects tiny forces with high sensitivity.
January 2018 in “International journal for pharmaceutical research scholars” Meniran extract hair tonic may stimulate hair growth in rats, with the version containing 1% menthol being more effective.
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April 2000 in “Developmental Dynamics” Whn is essential for hair growth, and its malfunction causes hair loss.
January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
March 2009 in “CRC Press eBooks” Hair conditioner makes wet hair easier to comb by reducing friction.
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October 2020 in “Dermatology Practical & Conceptual” Bubble hair damage is caused by high heat from styling tools, and trichoscopy helps diagnose it.
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March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
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January 2021 in “Nihon rinsho hifukaikai zasshi” The document provides ways to tell alopecia areata from other similar hair loss conditions, using visual checks and specific tests.
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March 1943 in “Archives of Dermatology and Syphilology” A rare case of severe scalp hair loss and nail issues in keratosis follicularis was observed.
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January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
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April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
June 2010 in “The Knowledge Bank (The Ohio State University)” Inhibiting retinoic acid activates WNT signaling, potentially aiding hair disorder and skin cancer treatments.
September 2013 in “Hair transplant forum international” The document's conclusion cannot be determined from the provided text.
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September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
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August 2012 in “Seminars in cell & developmental biology” Hair growth and development are controlled by specific signaling pathways.
December 2019 in “Periodicals of Engineering and Natural Sciences (PEN)” Hair analysis can provide insights into a person's medical history and location over time.
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March 2007 in “British Journal of Dermatology” Gefitinib therapy can cause unusual hair growth on the nose.
October 2025 in “International Journal of Cosmetic Science” Shiny, straight hair is seen as more youthful, healthy, and attractive.
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September 2017 in “Oncotarget” A certain signaling pathway in mice, when increased, causes hair to gray by depleting the cells that give hair its color.
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April 2023 in “PubMed” Biocompatible artificial hair implants significantly improved patients' quality of life and were successful.
October 2024 in “Skin Appendage Disorders” Some people grow more hair on one side of their scalp, possibly due to genetics, behavior, or environment.
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March 1996 in “PubMed” Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.