Propecia is a medication that is used to treat male pattern baldness. It is available in the form of tablets and is taken orally once daily. However, it is important to note that Propecia is only available with a prescription from a doctor. It works by blocking the conversion of testosterone into dihydrotestosterone (DHT) which is the hormone responsible for hair loss. Studies have shown that Propecia is effective in treating male pattern baldness and can help to slow down or stop the progression of hair loss. Despite its effectiveness, it's important to remember that Propecia does not work for everyone, and it may take several months to see any results. Additionally, it is only intended for use in men and should not be taken by women or children. It's also important to consult your doctor before starting the treatment with Propecia. Your doctor will evaluate your condition, medical history, and other factors to determine if Propecia is right for you and to prescribe the appropriate dosage. Keep in mind that buying Propecia without a prescription is illegal and can be dangerous. It's important to always consult with a healthcare professional before starting any new medication.