Androgenetic alopecia is driven by DHT sensitivity at the follicle and progresses gradually along the Norwood scale. Early intervention preserves far more hair than late intervention restores.
Men in the earlier Norwood stages who still have miniaturising rather than absent follicles. Combination therapy consistently outperforms any single agent.
Men with scarring alopecia, alopecia areata, or hair loss from thyroid disease or nutritional deficiency need the underlying cause treated instead.
Ranked by number of verified patient outcomes for this condition.