Sodium fluoride or sodium monofluorophosphate: These are there with the goal of preventing tooth decay and reducing cavities. Fluoride is classified as a drug by the FDA, and is considered unsafe to ingest in large amo
Sweetener: Sometimes it's sorbitol, a sugar alcohol, or something else, but toothpastes almost always contain a sweetener of some kind that helps make toothpaste tolerable-tasting, and to help mask the flavor of other chem
Sodium laureth sulphate: Sulfates like SLES and its cousins sodium lauryl sulfate and ammonium lauryl sulfate are almost always listed as non-active ingredients. These are detergents—basically the soapy part that washes your mouth when you b
Triclosan: Regular readers are probably sick of hearing us talk about triclosan, but for the uninitiated, here goes: Triclosan is an antibacterial and antimicrobial used in all kinds of personal-care products, from
Fragrance and flavorings: If you're opting for naturals, you'll likely find flavors from peppermint, or some other kind of oil. In drugstore brands, these flavors will be artificially formulated and the individual ingred
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