Discover 20 surprising facts about teeth whitening, from methods to myths. Learn how to safely brighten your smile and ...

you’ll see a visible difference in tooth color. Using their guidance, I rounded up the best at-home teeth whitening products to buy, many of which the NBC Select staff tested. Want more from NBC ...

Are at-home teeth whitening products effective? Dentists explain how to shop for whitening strips, toothpaste and more from ...

Whitening toothpastes can lighten the tooth's color by about one shade. In contrast, prescription-strength whitening conducted in your dentist's office can make your teeth three to eight shades ...

Gleam’s teeth whitening strips worked in less than a week – and they’re a third off now - Food stains, be gone ...

Plus, you won’t have to wait long to see a difference in your tooth shade, as many of these effective formulas deliver brightening results in a few weeks or even less. When it comes to the ...

Whitening strips are thin, flexible stickers coated with bleaching gel that, over time, can brighten the color of your teeth and remove surface stains. Before we tested them, I talked to dentists ...

We’ve all seen them — those impossibly white smiles beaming from social media, promising that you too can transform your coffee-stained teeth into pearly masterpieces. With celebrities ...

Within two days, we were able to spot a lighter shade of our teeth. There were no signs of discomfort or irritation on our gums. It also didn't hurt that there was a pleasant taste from the ...