Propecia is a medication used to treat male pattern baldness, also known as androgenetic alopecia. It works by blocking the conversion of testosterone to dihydrotestosterone (DHT), which is a hormone that causes hair loss. The active ingredient in Propecia is finasteride, which is a type II 5alphareductase inhibitor. Propecia has been proven to be effective in treating male pattern baldness in men. It can take up to 6 months of continuous use to see the full effects of the medication, and it is recommended that users continue taking it to maintain results. When purchasing Propecia, it's important to buy from a reputable online pharmacy that requires a prescription. Look for a pharmacy that has a secure website, provides a moneyback guarantee, and offers fast shipping. This will ensure that you are getting a genuine product and that your personal and financial information is protected. When buying Propecia, be sure to consult with a doctor first to determine if it's the right medication for you and to get a prescription. Always follow the instructions provided by your doctor and the pharmacy when taking this medication. In conclusion, Propecia is an effective treatment option for male pattern baldness, but it's important to buy from a reputable online pharmacy that requires a prescription. Always consult with a doctor before starting any new medication.