Finasteride 1mg oral outperforms on hair retention metrics with 60-70% stabilization rates from long-term studies while Minoxidil 5% topical shows 40-60% regrowth but requires consistent twice-daily use. Finasteride carries higher risk of sexual side effects per FDA labeling compared to minoxidil's mainly local irritation. Choose finasteride for systemic DHT control or minoxidil for localized n...