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We Tried It: The Best Ways to Whiten Your Teeth at Home

The FITNESS editors brush up on the newest at-home teeth whiteners. Hear what we had to say about each product, and see the proof in our before-and-after result photos.
Kayo Before Crest Whitestrips Premium

The cost: $34.99
Where to buy: Available at most drugstores
The plan: Formulated with a special fast-acting peroxide gel, these premium Whitestrips claim to work just like the regular Whitestrips, just seven days faster.
Tester: Kayo der Serkissian, Creative Director

Kayo After Crest Whitestrips Premium

Kayo says: "I'd probably do the whole system again to see more results."
Change in color: 2 shades whiter