The fact is guys sweat a lot, and that sweat can cause major B.O. Here’s what to look for, what to stay away from and why clean, safe ingredients make all the difference when it comes to choosing the best men's deodorant.

A couple of years ago, my husband learned about the potential harm of aluminum in deodorant and suddenly decided to stop wearing it altogether. Here's the story of how my husband finally found the best aluminum-free deodorant for men.