DOES ROGAINE WORK AFTER 12 HOURS REDDIT

Yo dudes, so I'm trying on using Rogaine. Heard some rumors about it working after just 12 hours, but that seems kinda wild, right? Anyone else try this hair growth serum and actually see something in that time frame? Hit me up with your thoughts. List a few things I'm wondering: What much Rogaine do you gotta use? Does apply it to dry hair? An