Finasteride is a prescription medication for hair loss, and is used to treat male pattern baldness. Finasteride works by reducing the levels of DHT in your body. It prevents the conversion of testosterone into DHT, which is a male hormone. If you have high levels of DHT, or if your hair follicles are very sensitive to it, the hair follicles may shrink and the hair falls out. This shrinkage also inhibits hair regrowth.
You can start to see results in as little as 3 months. Finasteride is effective for 9 out of 10 men.
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