65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
June 1972 in “Archives of internal medicine” Androgens play a key role in hair growth.
161 citations
,
August 2012 in “Seminars in cell & developmental biology” Hair growth and development are controlled by specific signaling pathways.
June 2011 in “Journal of medicine and life science” Hizkia fusiforme seaweed extract can help promote hair growth.
January 2025 in “Conservation Physiology” Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
50 citations
,
February 2013 in “BMC evolutionary biology” Cetaceans lost hair due to changes in the Hr and FGF5 genes.
November 2025 in “Pediatric Dermatology” The boy's hair fully regrew after treatment for a rare hair loss condition.
January 2026 in “Frontiers in Pharmacology” Anwuligan may help treat hair loss by promoting hair growth.
25 citations
,
May 1994 in “Journal of Investigative Dermatology” Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.
January 2014 in “International Journal of Trichology” A man had an unusual type of hair loss that didn't match known patterns and didn't improve with treatment.
1 citations
,
January 2006 in “Clínicas obstétricas y ginecológicas de Norteamérica” Analyzing hair proteins can help identify new markers for hair health and aging.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
4 citations
,
September 2016 in “Molecular Medicine Reports” Specific genes influence hair and cashmere growth in Laiwu black goats.
14 citations
,
February 2013 in “Veterinary dermatology” Horse alopecia areata is rare and mainly affects their appearance.
8 citations
,
March 1990 in “Indian Journal of Dermatology Venereology and Leprology” Cutting matted hair stopped further hair loss caused by homemade shampoo.
2 citations
,
October 1973 in “Archives of internal medicine” The document likely discusses how to tell the difference between excessive hair growth and the development of male characteristics in women.
September 2023 in “Journal of the American Academy of Dermatology” October 2019 in “Innovative Journal of Medical and Health Science” Certain herbs may help treat hair loss by extending hair growth phases.
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.
August 2013 in “International Wound Journal” Non-hairy skin cells might be used to regenerate hair, helping with baldness and skin wounds.
10 citations
,
January 2003 in “Seminars in reproductive medicine” The article explains how to identify and treat excessive hair growth in women, which can be distressing and may signal other health problems.
181 citations
,
January 2009 in “Nature Genetics” Certain mutations in a hair growth-related gene cause a type of genetic hair loss.
19 citations
,
December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
November 2025 in “Archaeometry” Animal hair from 18th-century Mazamet burial sites shows locals used goat, badger, cow, or horse fur for clothing, indicating modest economic status.
8 citations
,
December 2022 in “BMC Genomics” The research improved understanding of yak hair growth to help use yak wool better.
3 citations
,
April 2016 in “International Journal of Dermatology” A young man was diagnosed with trichoepitheliomas, causing thick skin and hair loss.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
13 citations
,
January 2014 in “Postępy Dermatologii i Alergologii” Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.
39 citations
,
July 2005 in “Current medical research and opinion” Topical cream eflornithine 11.5% can slow hair growth and may help reduce hair removal frequency.
1 citations
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October 2020 in “International Journal of Research in Dermatology” The study concluded that short vellus hair and yellow dots were the most common signs of alopecia areata, indicating disease activity and remission.