Adult men and women with a certain form of baldness can encourage hair growth by applying minoxidil to their scalps. So, you can use minoxidil for hair loss if you suffer from hair disorders. Minoxidil causes hair growth, it often happens after the medication has been used for a few months and only lasts as long as the medication is still being used. Within a few months of stopping the minoxidil medication, hair loss will start up again.