ROGAINE AFTER 12 HOURS REDDIT - DOES IT WORK?

Yo dudes, so I'm trying on using Rogaine. Heard some stuff about it making a difference after just short amount of hours, but that seems kinda crazy, right? Anyone else try this miracle drug and actually see something in that time frame? Hit me up with your experiences. List a few things I'm wondering: How much Rogaine do you gotta use? Should