Finasterideis the substance contained in the drug Propecia and is considered a hair growth agent. This preparation is a hair lossremedy for men. Women must not use it as it can cause severe birth defects in pregnant women.
Propecia works by inhibiting the enzyme (5-alpha reductase) that causes testosterone to form dihydrotestosterone (also called DHT). DHT is the substance that causes androgenetic hair loss – that is, male pattern baldness.Read more about Finasteride