Key points Men with AGA

• Topical minoxidil 2% or 5% solution applied twice daily to the scalp is effective for many men with AGA, but hair loss resumes when the applications cease. The RCTs reported are too small to establish percentages for successful stoppage of hair loss and frequency of visible regrowth of hair.

• Large RCTs show that systemic therapy with finasteride 1 mg per day can stop further hair loss in 90% and increase visible hair density in 48% of treated men. However, hair loss resumes when treatment is stopped.

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