ROGAINE AFTER 12 HOURS REDDIT - DOES IT WORK?

Yo dudes, so I'm hopping on using Rogaine. Heard some rumors about it helping after just 12 hours, but that seems kinda crazy, right? Anyone else try this miracle drug and actually see changes in that time frame? Hit me up with your experiences. Here's a few things I'm thinking about: Where much Rogaine do you gotta use? Does apply it to dry ha