Is Mouthwash Bad for You?

It depends on the mouthwash. Alcohol-based mouthwashes can leave the mouth dry, and a dry mouth can ironically lead to more odor over time — which is why some people find their fresh-breath rinse doesn't last. Many conventional mouthwashes also contain artificial dyes and strong synthetic flavors that people trying to clean up their routine would rather avoid.

Mouthwash isn't necessary for everyone, and it's not a substitute for brushing and flossing — those do the real work. If you like the feel of a rinse, the cleaner choice is an alcohol-free, dye-free option, ideally one that supports rather than strips the mouth. As always, your dentist can advise for your specific situation. Explore clean oral care in our fluoride-free guide.

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