Finasteride Dosing for Male Frontal Fibrosing Alopecia November 05, 2023 What is the correct dose of finasteride for treating male FFA?In this week’s question of the week, I address an interesting question related to dosing of finasteride for frontal fibrosing alopecia in males. This article was written by Dr. Jeff Donovan, a Canadian and US board certified dermatologist specializing exclusively in hair loss.