Penn and Teller have done extensive research into pheramones and they are complete bullshit. Axe deodorant body spray is just that, deodorizing body spray that smells good. So if a girl likes someone that smells good, then voila, a tv commercial is born.
oh, P&T 's BUllshit series comes back on air soon. heres their link. hoping it works...
http://www.sho.com/site/ptbs/home.do?_requestid=90087
Showtime - Penn & Teller: Bullshit!