Certain drugs, especially those for eyes, bacterial infections, imaging tests, and skin conditions, are more likely to cause itching, with differences seen across gender, age, and weight.
December 2013 in “Appetite” A defective gene causes hair loss and taste insensitivity in BTBR mice.
July 2018 in “Elsevier eBooks” Up to half of people experience itchy scalp, often due to skin conditions like seborrheic dermatitis or psoriasis, and treatments vary based on the specific cause.
21 citations
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June 2004 in “Experimental Dermatology” Ber‐EP4 marks cells related to the secondary hair germ in hair follicles.
June 2023 in “Clinical Cosmetic and Investigational Dermatology” Pentoxifylline effectively improves pretibial pruritic papular dermatitis.
19 citations
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July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
September 2023 in “Journal of the American Academy of Dermatology” Patients often overestimate their skin type, affecting sun protection and treatment plans.
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June 1993 in “Archives of Dermatological Research” 64 citations
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April 1992 in “Differentiation” Sciellin is a protein that helps form protective layers in skin, hair, and nails.
April 2017 in “Journal of Investigative Dermatology” Deleting Crif1 in mouse skin disrupts skin balance and hair growth.
47 citations
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March 2017 in “Clinical, cosmetic and investigational dermatology” Certain skin conditions may indicate or increase the risk of Parkinson's disease.
1 citations
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January 2017 in “International Journal of Trichology” A new mutation caused a rare hair disorder in a Polish girl, not inherited from her family.
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January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
Type II spiral ganglion neurites avoid high concentrations of laminin and fibronectin.
February 2024 in “Journal of Cellular and Molecular Medicine” A hydrogel releasing pectolinarin speeds up wound healing and reduces scarring.
3 citations
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October 2025 in “Dentistry Journal” Low-speed protocols with certified centrifuges and FDA-approved glass tubes are best for effective PRF outcomes.
1 citations
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January 2015 ERK activation spreads between cells, influencing cell division and wound healing.
December 2015 in “Vascular Pharmacology” Different cells affect hair follicle blood vessels, endothelial cells react differently to inflammation and oxidized fats, and prasugrel better protects heart vessels during a procedure than clopidogrel.
6 citations
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December 2018 in “The American Journal of Dermatopathology” Early shedding of the inner root sheath in noninflamed hair follicles is a relatively specific sign of Central Centrifugal Cicatricial Alopecia.
January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living cells.
November 2023 in “Journal of Investigative Dermatology” EGFR-targeted cancer therapy can cause skin issues starting at hair follicles, leading to inflammation.
March 2026 in “Indian Dermatology Online Journal” Hair dye ingredient PPD can cause severe allergic reactions, including facial swelling.
1 citations
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October 2021 in “Journal of Investigative Dermatology” 3 citations
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February 1983 in “Journal of Investigative Dermatology” Hair plucking quickly increases antizyme, reducing a specific enzyme activity in rats.
5 citations
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September 1989 in “Journal of The American Academy of Dermatology” Talc in street cocaine can cause immune-reactive skin nodules where injected.
5 citations
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July 2022 in “PubMed” Hair dyes, shampoos, and conditioners often cause scalp allergies due to common allergens like p-phenylenediamine and nickel.
1 citations
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January 2025 in “Frontiers in Immunology” Genetically at-risk healthy people show similar immune issues as those with Pemphigus vulgaris or Alopecia areata.
July 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Excessive sun protection might contribute to frontal fibrosing alopecia.
81 citations
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June 2014 in “Cold Spring Harbor perspectives in medicine” Skin has specialized touch receptors that can tell different sensations apart.
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.