9 citations
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July 1982 in “International Journal of Dermatology” A 31-year-old man's hair turned white suddenly, likely due to alopecia areata.
2 citations
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May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
4 citations
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March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
4 citations
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December 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Overactive Wnt signaling in mouse skin stem cells causes acne-like cysts and shrinking oil glands, which some treatments can partially fix.
April 2023 in “Journal of Investigative Dermatology” Covering a wound can stop hair growth by promoting scarring, but boosting a process called Wnt signaling can help hair grow back even when the wound is covered.
5 citations
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January 2021 in “Journal of Saudi Chemical Society” Watercress oil may promote hair growth by activating specific receptors.
January 2011 in “한국미생물·생명공학회지” Fermented extracts may help hair growth.
Hair movement can indicate hair quality and health.
29 citations
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September 2008 in “Dermatologic Therapy” Lasers and light sources are effective for removing unwanted hair.
September 2022 in “Research Square (Research Square)” Hydrocolloid wound dressings emit energy that can affect human hair follicle metabolism.
January 2026 in “Colloids and Surfaces B Biointerfaces” A silicone treatment makes damaged hair more water-resistant and stronger.
36 citations
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December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
November 2012 in “International Journal of Data Science and Artificial Intelligence” Glycyrrhiza glabra root extract promotes faster and longer hair growth in female rats.
February 2023 in “International journal of research - granthaalayah” The new microscope method helps study energy from pre-cancerous skin cells.
6 citations
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November 2012 in “Hair transplant forum international” The Laxometer helps make hair transplants with many grafts safer.
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.
1 citations
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October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
November 2024 in “Journal of Investigative Dermatology” Stimulating OR10J1 can promote hair growth and may help treat hair loss.
December 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Hedgehog signaling controls hair follicle development and can affect skin cancer growth.
June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Wnt ligand secretion by hair follicle cells is essential for hair growth and repair.
14 citations
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February 2000 in “Feminism & Psychology” The entry showed that PCOS negatively affects women's self-image and is worsened by societal expectations, suggesting a need for more feminist attention to the condition.
17 citations
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February 2018 in “Journal of Investigative Dermatology” PPAR-γ signaling improves mitochondrial function in hair follicles, potentially affecting hair growth and aging.
February 2026 in “Journal of the Korean Society of Cosmetology” Silicone oil viscosity affects hair curling and damage during treatments.
April 2022 in “Medical Molecular Morphology”
7 citations
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October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
1 citations
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August 2020 The Shaven mutation in mice affects hair growth and causes a greasy coat due to abnormal lipid content.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” The new laser is effective, safe, and fast for permanent hair removal.
Men who strongly follow traditional masculinity are more likely to have cosmetic surgery to feel powerful and successful.
1 citations
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December 2022 in “Animals” Blocking miR-27a increases sheep hair follicle stem cell growth and decreases cell death, which could help improve wool quality and treat hair loss.