How long will finasteride work?
https://healthell.blogspot.com/2021/10/how-long-will-finasteride-work.html
The general thought is that it keeps working, at the least slowing down the loss. We know that it does that because many men who have stopped it after 10-20 years of use, found that they lost hair after stopping in within a few months.
from BaldingBlog - Hair Loss Info https://ift.tt/31cP8rZ