How Safe and Effective are 5ARI to Treat Alopecia?

Frontal fibrosing alopecia (FFA) causes hair loss near the front of the head, and causes scarring due to inflammation as the hair follicles are destroyed. This condition, which mostly affects postmenopausal women, is challenging to treat, and studies have examined the off-label use of 5-alpha-reductase inhibitors (5ARI) as a possible option for more severe cases. …