probably not reverse it, but slow it down. If you are a great responder you can reverse it a little. If you hope to reverse it you will need finasteride in combination with your minoxidil. Also, hair will not grow out of a totally bald temple. These treatments will only regrow miniaturized hairs into normal sized ones. To apply it you want to apply the liquid or foam and rub it into your scalp with your fingers quite aggressively over the entire thinning area. I typically only recommend finasteride first as an initial line of attack for treatment, and only add minoxidil if you seek as much regrowth as possible. They really work best together. minoxidil alone only works for a small amount of people, and the benefits do not last forever.