I'm only 20 and have a receeding hairline and maybe a little thin on the top but not bad. Anyway I bought rogaine and my concern is when i wake up i put it on my scalp but then maybe a half hour later I go to the gym, then right to work outside. I sweat like crazy especially with the summer heat so my question is, is letting the rogaine dry for 30 minutes effective or will all the sweat just wash it right out?

It's still effective... Just make sure u are using the 5% monixidil solution rogaine vs. the 2% one...

it will say on the bottle which one it is..


i tried the 2% it was useless..