These kits use highly concentrated whitening gels. Usually, these gels include hydrogen peroxide or carbamide peroxide, though you can find some with gentler ingredients. While there are countless ...

As the pursuit of a perfect smile grows increasingly mainstream, the market is flooded with an array of whitening options.

The gel is left on for a specified amount ... The bleaching agent in the whitening kit, such as hydrogen peroxide or carbamide peroxide, penetrates the porous outer layer of your teeth and breaks ...

LED teeth-whitening kits typically include a light tray and gel. These trays are worn for ... this whitening kit uses ...