Aluminum is a common ingredient in most deodorants; however, it could benefit you to make the switch to aluminum-free deodorants. Deodorants containing aluminum work by forming a chemical reaction with your sweat to form a physical plug, clogging your pores. Your underarm pores are designed to excrete sweat and actually help your body get rid of toxins. However, they cannot do that when your pores are clogged. Aluminum-based ingredients may also cause irritation in some people. To help you make the switch, here are the top 14 aluminum-free deodorants on Amazon: