If you’re sketched out by the bleaching agents in at-home whitening products, try Tom’s of Maine Clean Mint Simply White Fluoride Toothpaste ($5, tomsofmaine.com). The surface stain eraser: silica, an ingredient derived from sand. (Don’t worry—the paste is smooth, not gritty.) What we liked best about this eco-friendly cavity fighter: Milder ingredients don’t limit the product’s powerful fresh-breath effects.
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