November 2020 in “Journal of The American Academy of Dermatology” This study found that a daily dose of 1 mg finasteride is effective for treating male pattern baldness, but benefits typically require at least three months to manifest and ongoing treatment is necessary to maintain results.
June 2019 in “Journal of Drug Delivery and Therapeutics” This review highlights the use of finasteride, a 5alpha-reductase inhibitor, for treating benign prostatic hyperplasia and male pattern hair loss, noting that it may cause male sexual dysfunction but usually with tolerable side effects that decrease over time, not requiring treatment discontinuation.
January 2013 in “China Medical Abstract of Dermatology” This study found that finasteride reduced the severity of acne in both male and female patients without apparent side effects.
12 citations
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October 2004 in “PubMed” This study found that finasteride 1 mg per day improved hair growth and slowed hair loss in Japanese men with male pattern hair loss compared to lower doses and placebo.
10 citations
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June 2001 in “PubMed” This study found that finasteride can stop hair loss in 91% of men with androgenetic alopecia and promote visible hair growth in up to 66% of cases.
46 citations
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October 1999 in “Journal of The American Academy of Dermatology” This study found that finasteride at 1 mg/day was the most effective dose for treating male pattern hair loss, with similar efficacy to 5 mg/day and better results than lower doses.
3 citations
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October 1995 in “International Journal of Dermatology” This study confirms that finasteride inhibits the conversion of testosterone to dihydrotestosterone in human dermal fibroblasts, suggesting potential therapeutic use for androgen-related skin disorders.