Whitening toothpastes use a variety of techniques to lighten your teeth. Baking soda, abrasives or chemicals are used to polish the teeth and/or give a reflective appearance that removes surface stains from teeth. Look for the ADA Seal of Acceptance when considering teeth whitening toothpaste.
Timeline: They can take several weeks of use to see results.
Cost: varies, but under $30 in most cases
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