We know Propecia can do magic for your hair loss. It is the foundation for every successful hair loss treatment regimen. It intended replace the advice of qualified healthcare professionals. Propecia is prescription pill used to treat male-pattern baldness, a hereditary condition caused by hormonal dysfunction. It may take up to six months of treatment before you notice a decrease in the amount of semen. Propecia blocks the formation of dihydrotestosterone and in this way appears to interrupt a key factor in the development of inherited male pattern hair loss occurs gradually over time Propecia can significantly reduce or delay hair loss.