Typically it takes between three and four months for new hair growth to appear and between one and two years before the full effects become evident. Its quite unusual to see results from Propecia (finasteride) at such an early stage. View Before & After Photos View before and after photos of select patients with positive results using Propecia and/or Rogaine. These patients used Propecia (finasteride) or Rogaine (minoxidil) individually, or in combination, to treat their hair loss. Timeline of the release of Rogaine (minoxidil) products for the treatment of hair loss in men and women. Click to see details. Propecia (Finasteride) - a drug for the treatment of male pattern baldness. The drug is designed to treat the most common form of hair loss - androgenetic alopecia in men. This video shows my results using Propecia ONLY over about 18 months (roughly). I have gotten so many questions about my prior video that I decided to release more of the video footage. My name is Alex and I'm from Norway. I had once a diffuse hair loss pattern. If you are not familiar with my story, I began losing my hair in 2003. The first few months after a hair transplant can be the most frustrating. After all, new growth doesn’t happen overnight. In this post, I’ll discuss the typical hair transplant timeline of hair growth following the procedure. Propecia timeline Propecia timeline. Propecia is a medication that is a first-line treatment for pattern hair loss in men (alopecia). Despite the fact that this is an off-label indication, millions of patients all over the world rely on Propecia (generic name Finasteride), expecting significant hair growth as the result of long-term therapy. Generally speaking, most doctors recommend an observational period of two years when using Propecia as a hair loss medication. This timeline for Propecia results is based on clinical research studies conducted by Merck.