Male pattern baldness, in particular, is routinely treated in males with hair loss with the drug finasteride powder. It is offered in a variety of formats, such as tablets and topical treatments. In order to prevent hair loss in people who are genetically prone to it, this medicine blocks the conversion of testosterone to dihydrotestosterone (DHT), a hormone. Finasteride powder can reduce hair loss and, in some situations, encourage hair regeneration by lowering DHT levels. Men begin to experience androgenetic alopecia, a kind of scalp hair loss that worsens with age, around their mid-20s.