DOES ROGAINE WORK AFTER 12 HOURS REDDIT

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