Has Proven To Stimulate Hair Growth When Applied Topically In People With Alopecia Androgenetica "Male Pattern Baldness." In The Treatment Of Male Pattern Baldness, Minoxidil`S Precise Mode Of Action Remains Unknown. However, To See Hair Growth, You Might Need To Apply It Twice Daily For 4 Months. Following The Discontinuation Of The Drug, Relapse To Pretreatment Appearance May Occur After Three To Four Months.