How do I take finasteride? Sophie February 13, 2019 17:06 Updated Follow We’ve put together a short article and an instructional video to make taking finasteride 1mg as easy as possible. You can see both here. Related articles How long does it take for Keeps hair loss treatments to start working? How do I use minoxidil? What is finasteride? What about side effects? Are there other treatments that work for hair loss? Comments 0 comments Article is closed for comments.