Testosterone works in different ways, including direct interaction with its receptor, conversion to other hormones for specific effects on genitalia, hair, bones, and muscle, and changes in body fat and sexual function when low.
Eclipta alba shows promise for treating hair loss.
Increased free testosterone can lead to stronger bones and less body fat but also higher risks of prostate cancer, hair loss, spine issues, and high blood pressure.
August 2018 in “Journal of Investigative Dermatology” Tofacitinib may help regrow hair in alopecia areata patients.
October 2019 in “European heart journal” Androgen-deprivation therapies increase the risk of certain heart conditions, but testosterone treatment may help.
53 citations
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January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
14 citations
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February 2016 in “Journal of Obstetrics and Gynaecology Research” Blood tests are needed to confirm high male hormone levels in women with PCOS, as physical signs alone are not reliable.
1 citations
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January 1987 in “Journal of Society of Cosmetic Chemists of Japan” The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
January 2024 in “Biology of sex differences” Dihydrotestosterone makes arteries stiffer in female mice by reducing estrogen receptor expression.
January 2026 in “RSC Advances” Epristeride's metabolism in zebrafish helps improve doping detection methods.
October 2022 in “Hair Transplantation” FUE is popular due to no linear scar, but choice depends on personal preference and specific factors.
9 citations
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January 2007 in “Journal of dermatological treatment” Testosterone gel helps increase facial hair in young men with beta-thalassemia major.
March 2023 in “The Journal of Urology” Men with better urinary symptoms have a lower risk of death.
November 2014 in “ACTUALIDAD MEDICA” Ultrasonography can help diagnose and monitor hair loss conditions.
4 citations
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August 2015 in “Journal of Cosmetic Dermatology” Sunscreens with UVA blockers effectively reduce skin fluorescence for several hours.
September 2012 in “African Journal of Urology” Testosterone replacement therapy improves libido, mood, muscle strength, and bone density in men with Testosterone Deficiency Syndrome.
17 citations
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January 2013 in “Talanta” A new method was developed to accurately measure enzyme activity related to prostate health.
November 2022 in “Journal of the Endocrine Society” A transman experienced lasting virilization symptoms after stopping testosterone, which were resolved with estradiol treatment.
12 citations
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March 2017 in “Arteriosclerosis, thrombosis, and vascular biology” Testosterone helps prevent skin damage in males by acting through both estrogen and androgen pathways.
December 2023 in “Journal of Science Innovations and Nature of Earth” Tribulus terrestris may protect the liver from drug damage.
January 2018 in “Journal of analytical, bioanalytical and separation techniques”
15 citations
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September 2014 in “JAMA Dermatology”
44 citations
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January 2007 in “Biological & pharmaceutical bulletin” Black pepper leaf extract contains compounds that can block testosterone effects and promote hair growth.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Upadacitinib effectively treats severe alopecia areata and is safe.
9 citations
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January 2021 in “Mediators of Inflammation” 15d‐PGJ2 cream protects against UVB-induced skin damage in mice.
March 2011 in “European Urology Supplements” The document concludes that a new biosensor can efficiently detect prostate cancer cells and that standardized referrals help find significant cancers effectively.
January 2026 in “Open Veterinary Journal” PUFA-rich oil improves pet hair quality but may raise triglyceride levels.
94 citations
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July 2020 in “European Journal of Human Genetics” The guidelines ensure accurate genetic testing and reporting for 21-hydroxylase deficiency.
June 2025 in “International Journal of Applied Pharmaceutics” A testosterone-induced hair loss model in mice was successfully created for future research and treatment testing.
12 citations
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January 2020 in “touchREVIEWS in Endocrinology” Testosterone may both worsen and protect against COVID-19 effects in men.