While each product featured is independently selected by our editors, we may include paid promotion. If you buy something through our links, we may earn commission. Read more about our Product Review Guidelines here.Deodorant and antiperspirant — it's the same thing, right? Most people use the two words interchangeably, but there are actually some key differences between the products. It's easy to mistake the two, especially when drugstores and beauty retailers have a slew of options packaged similarly, but knowing the difference between deodorant and antiperspirant can help you find the right product for your needs. Simply put, one helps mask the smell of sweat while the other prevents sweat and body odor. The choice may appear obvious, but everyone's armpits and body chemistry are different. To help you figure out if deodorant or antiperspirant is right for you, we spoke with Dendy Engelman, MD, a board-certified dermatologist and Mohs surgeon, to learn how they differ, know what to...