ROGAINE AFTER 12 HOURS REDDIT - DOES IT WORK?

Yo dudes, so I'm thinking on using Rogaine. Heard some stuff about it helping after just short amount of hours, but that seems kinda sketchy, right? Anyone else try this hair growth serum and actually see results in that time frame? Hit me up with your stories. List a few things I'm curious: Where much Rogaine do you gotta use? Does apply it to