 I think I've said it before, but I'll say it again. This stuff works. It's a do not pass go full stop for sweat. I don't know what's in it. I'm not a chemist, but I do know it's aluminum free and alcohol free. I just wish it was free free. Oh, and it's got a nice powdery scent too. Try it. You won't be disappointed. Just broke. I'm Ingrid Belkaid for the Beauty Market.