22 citations
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September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
January 1986 in “Journal of Steroid Biochemistry” Women with severe acne, hirsutism, and androgenic alopecia often have higher levels of certain androgens, but the specific pattern can't be predicted just by looking at symptoms.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Topical 5α-reductase inhibitor helps counteract hair loss and stabilize it.
26 citations
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September 2005 in “Pharmacology Biochemistry and Behavior” 5alpha-reductase 2 is crucial for proper male brain development and sexual differentiation.
34 citations
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December 1991 in “Annals of the New York Academy of Sciences” Differences in enzyme activity and androgen receptors in hair follicles may explain why hair loss appears differently in men and women.
June 2023 in “International journal of pharmaceutical quality assurance” Eclipta alba extract could be a promising natural treatment for hair loss.
39 citations
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April 2018 in “Hormones” No consistent link between genotype and phenotype in 5-α-Reductase type 2 deficiency.
22 citations
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May 2003 in “Planta Medica” Torilin from Torilis japonica can inhibit testosterone 5α-reductase but is less effective than finasteride.
39 citations
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August 2004 in “International journal of gynaecology and obstetrics” Finasteride and CPA-EE2 equally reduce hirsutism, but affect hormone levels differently.
32 citations
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January 1990 in “Clinical Endocrinology” Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.
January 2002 in “HAL (Le Centre pour la Communication Scientifique Directe)” The enzyme system in hair follicles is similar to the liver's and is inhibited by certain substances.
Finasteride and dutasteride can harm male reproductive health, affecting sperm and causing sexual dysfunction.
December 2024 in “Journal of Clinical Research in Pediatric Endocrinology” 21-hydroxylase deficiency causes hormone imbalances leading to various symptoms, and diagnosis involves clinical and genetic tests.
17 citations
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June 1996 in “The Journal of Steroid Biochemistry and Molecular Biology” FCE 28260 is a stronger and longer-lasting inhibitor of 5α-reductase than finasteride, which may make it a better treatment for certain medical conditions.
April 2026 in “Journal of the American Academy of Dermatology” Oral 5-alpha-reductase inhibitors for hair loss don't increase heart risk.
1 citations
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April 2013 in “The FASEB Journal” 3α‐OH‐DHP is essential for reducing nerve activity related to blood pressure control during pregnancy.
7 citations
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December 1971 in “European Journal of Endocrinology” Human hair follicles can process steroid hormones like DHEA.
October 2017 in “The Journal of Urology” 5α-Reductase inhibitors can negatively impact sexual function.
6 citations
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October 2014 in “Experimental Dermatology” Prostaglandins and the enzyme AKR1C3 could play a role in skin cancer and hair loss, and further research is needed to understand these mechanisms.
January 2021 in “Journal of The European Academy of Dermatology and Venereology” Men with hair loss who take a certain type of medication may experience fewer COVID-19 symptoms.
46 citations
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May 2012 in “Molecular and Cellular Endocrinology” Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.
36 citations
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October 2009 in “Journal of Investigative Dermatology” Dihydrotestosterone can be made from dehydroepiandrosterone in skin cells without needing testosterone.
4 citations
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May 2019 in “The World Journal of Men's Health” Taking 5 alpha reductase inhibitor medication slightly increases the risk of depression, especially as you get older.
8 citations
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May 2020 in “Arthritis research & therapy” DHT inhibition may increase spinal bone growth in ankylosing spondylitis.
January 2026 in “Journal of the American Academy of Dermatology” 5-alpha reductase inhibitors do not increase osteoporosis risk in women with certain hair loss conditions.
147 citations
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June 2011 in “New England journal of medicine/The New England journal of medicine” 5α-reductase inhibitors may prevent prostate cancer but could also raise the risk of more severe cancers.
October 2023 in “Annales Academiae Medicae Silesiensis” Saw palmetto extracts might help treat male hair loss and need more research.
10 citations
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August 1990 in “Journal of Steroid Biochemistry” High doses of cyclosporine A increase testosterone conversion, possibly boosting hair growth.
112 citations
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April 2009 in “Cochrane library” Spironolactone may reduce excessive hair growth in women but its effectiveness for acne is not supported.
September 2025 in “Consilium Medicum” 5α-reductase inhibitors help manage symptoms of benign prostatic hyperplasia and may also prevent prostate cancer and treat hair loss.