Make sure that you follow these tips because the effectiveness of your treatment really depends on these factors. Rogaine is a clear alcohol-based solution and should be applied to a person's thinning area with it's supplied dropper or spray twice a day. It comes from the male hormone which Revifol gives masculine features in a person. Then there's another supplement that contains 1000 mg of saw palmetto per capsule - and it's actually cheaper. Dermatologists say this is the one key nutrient hair needs to thrive.