For reducing hair loss, you theoretically only need to lower DHT levels in the scalp. But finasteride lowers it systemically (as well as inhibiting a bunch of

For reducing hair loss, you theoretically only need to lower DHT levels in the scalp. But finasteride lowers it systemically (as well as inhibiting a bunch of other metabolic pathways systemically). > Some of these are just the effects of having low DHT, which is in reality not a negative, Sexual disfunction, depression, and gynecomastia are not desired effects for most people.