November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers made a detailed map of gene activity for different parts of human hair follicles to help create targeted hair disorder treatments.
21 citations
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August 1994 in “Clinical endocrinology” 5α-Reductase inhibitors can help treat hair loss, acne, and prostate issues by reducing DHT levels.
January 2024 in “International Journal of Advanced Biochemistry Research” Nexgard® effectively treated a dog's skin condition, demodicosis.
87 citations
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September 2016 in “Journal of the American Academy of Dermatology” Intralesional triamcinolone effectively reduces pain and inflammation in hidradenitis suppurativa flares.
Hyperandrogenism is diagnosed using clinical signs, lab tests, and imaging.
March 1991 in “International Society of Hair Restoration Surgery” 
April 2020 in “Journal of the Endocrine Society” A woman's severe hirsutism was caused by Leydig cell tumors in her ovaries, which improved after surgery.
15 citations
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May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
May 2003 in “Hair transplant forum international” The ISHRS provides rules and advice for hair restoration training programs.