April 2020 in “International journal of research in dermatology” An 8-year-old girl has a rare, irreversible hair loss condition caused by a genetic mutation.
49 citations
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April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
January 2015 in “Hair transplant forum international” The document's conclusion cannot be provided because the content is not available.
January 2021 in “Dermatology online journal” One twin girl has Loose anagen syndrome with poorly anchored hair, diagnosed with a simple hair pull test, while her identical twin does not have the condition.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
January 2007 in “Durham e-Theses (Durham University)” Hair growth and shedding involve specific cell changes and gene roles.
July 2025 in “InnovAiT Education and inspiration for general practice”
31 citations
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October 2010 in “Journal of the European Academy of Dermatology and Venereology” Some people with heavy hair shedding might actually have a hidden form of alopecia, which can be identified by specific hair changes.
March 2026 in “Journal of Skin and Sexually Transmitted Diseases” Long hair can cause hair loss in the middle of the scalp, and cutting it shorter helps.
32 citations
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February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
38 citations
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August 1973 in “Journal of Investigative Dermatology” 26 citations
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October 1999 in “Archives of Dermatology” Curly hair in certain scalp areas can be an early sign of hair loss.
109 citations
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December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
17 citations
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November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
March 1995 in “The Journal of Dermatology” Immature hair cells can grow and change into different types of hair cells over time.
5 citations
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June 2022 in “Biophysical Journal” TGF-β and TNF influence hair follicle cell fate, with TNF being more effective in triggering cell death.
19 citations
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May 2006 in “Clinical and Experimental Dermatology” Researchers found a new mutation causing total hair loss from birth.
April 2017 in “Journal of Investigative Dermatology” Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
June 2023 in “The Journal of Family Practice” The hair loss is likely due to a fade haircut.
August 2025 in “International Journal of Dermatology” Hair loss significantly influences medical decisions, affecting treatment choices and emotional well-being.
March 2023 in “International Journal of Dermatology” COVID-19 can cause hair to become progressively kinked.
4 citations
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June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
4 citations
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November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
2 citations
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March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
December 2011 in “British Journal of Dermatology” As women age, they experience changes in hair density and volume, face challenges in distinguishing normal hair loss from disease, and have limited access to treatments for hair issues.
September 2023 in “British Journal of Dermatology” Some cases of short anagen hair syndrome are linked to specific genetic variations that are also connected to male pattern baldness.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
133 citations
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July 1994 in “Journal of Dermatological Science” Human hair growth can be influenced by certain growth factors and has specific metabolic needs.
19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.