ROGAINE AFTER 12 HOURS REDDIT - DOES IT WORK?

Yo dudes, so I'm thinking on using Rogaine. Heard some talk about it working after just short amount of hours, but that seems kinda crazy, right? Anyone else try this miracle drug and actually see results in that time frame? Hit me up with your experiences. Here's a few things I'm curious: How much Rogaine do you gotta use? Is it important to a