A new study published in JAAD International (2025) by Chia-Chun Yang and colleagues explored the effects of different dutasteride dosing regimens for male androgenetic alopecia and compared them with standard finasteride therapy. The findings revealed that both twice-weekly and thrice-weekly dutasteride treatments significantly improved hair growth and were well-tolerated by patients. Interestingly, while the thrice-weekly regimen achieved noticeably better results in terms of hair density and strand thickness, it did not outperform daily finasteride 1 mg in total hair count, suggesting that while dutasteride may enhance hair quality, its advantage in quantity may be limited.

The study examined various dosing schedules to assess whether less frequent dutasteride administration could maint

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