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The claim: A tablespoon of hydrogen peroxide swished around in your mouth for one to two minutes can whiten your teeth just as effectively as expensive whitening treatments. The verdict: Skip it. Why: "This method doesn't work because you need something that sits on the teeth," says Igal Elyassi, DDS, a Los Angeles cosmetic dentist. Instead, he suggests investing in a whitening kit or going to your dentist for a professional whitening treatment. Experts reveal which popular at-home beauty fixes are actually worth your time.
By Ashley Oerman for TheBlush.com
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