Dutasteride 0.5 mg/day lowers scalp DHT levels by only 50% (but 2.5 mg/day lowers scalp DHT by 80%). Finasteride/Dutasteride 2/21/2025
Dutasteride at 2.5 mg/day reduces scalp DHT by 80%, while 0.5 mg/day reduces it by 50%, with minimal difference in side effects. Users often combine it with finasteride, RU58841, and minoxidil for better hair loss management, though side effects like dry skin and pimples are noted.
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