DOES ROGAINE WORK AFTER 12 HOURS REDDIT

Yo dudes, so I'm hopping on using Rogaine. Heard some stuff about it making a difference after just 12 hours, but that seems kinda wild, right? Anyone else try this magic potion and actually see changes in that time frame? Hit me up with your experiences. Here's a few things I'm wondering: How much Rogaine do you gotta use? Does apply it to dry