Whether you've got a big event lined up or you're just tired of staring at your face on Zoom, whitening your teeth at home can be a more complicated project than you think.

With so many over-the-counter options to choose from, it's tough to know what will actually work and how quickly you can get results. But dentists have a few simple guidelines to follow that'll make your search much easier.

For instance, think about how quickly you want the product to work and how prone your teeth are to sensitivity, and take a look at the ingredients list to make sure you're using something that's backed by actual evidence, the experts say.

When you’re ready to get a whiter smile at home, here’s what really works.

Common Causes of Teeth Staining

The most common causes of teeth staining are the

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