Right away: Finasteride (marketed as propecia) starts to work right away however, it might take up to 3 months to see less hair loss. In order to see any visual effects such as the thickening and strengthening of miniaturized hairs, it takes up to 6-12 months.
Answered 6/25/2014
5.8k views
6-12 months: It takes 6-12 months for you to start noticing the effects of propecia (finasteride).
Answered 7/5/2012
5.8k views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question