ROGAINE AFTER 12 HOURS REDDIT - DOES IT WORK?

Yo dudes, so I'm trying on using Rogaine. Heard some rumors about it working after just short amount of hours, but that seems kinda crazy, right? Anyone else try this magic potion and actually see changes in that time frame? Hit me up with your experiences. List a few things I'm thinking about: What much Rogaine do you gotta use? Does apply it