5α-reductase inhibitors in men aged 50 years or older with androgenetic alopecia: a retrospective study

Androgenetic alopecia global photographs pre- and post-treatment of with 5α-reductase inhibitors (5ARI). The images compared patients before and after 5ARI treatment. Patient 1(M/55): greatly increased improvement(seven-point score: 3) after 10 months of dutasteride treatment (0.5 mg/d); patient 2(M/61): moderately increased improvement(seven-point score: 2) after 1 year of finasteride treatment (1 mg/d); patient 3(M/65): slightly increased improvement(seven-point score: 1) after 6 months of dutasteride treatment (0.5 mg/d); patient 4(M/77): slightly increased improvement(seven-point score: 1) after 9 months of finasteride treatment (1 mg/d).