I find when I'm outside I don't really have to worry, but if you want, axe works very well, especially since they've got the smaller cans now. Bring some gum if you're that freaked out too, covers your breath. Also, try to avoid getting smoke blown on/at you or exhaling on yourself. But in general, if you are outside for a good 10 minutes or so the scent usually dissipates unless someone is like...sniff checking you.