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How to Tell If You Smell

In order to get people to buy products like deodorant and mouthwash, advertisers first had to convince us that we all smell bad. It worked, and well: most people started using these toiletries, as well as many others, to keep those “bad” smells at bay. But sometimes they don’t work, or maybe you think you don’t need them. In these cases, there’s a possibility you might smell bad without knowing i