Hydrogen peroxide is a common bleaching agent used to whiten teeth. It's important to choose the right concentration. Here's ...

There’s typically a higher percentage of hydrogen peroxide in a whitening gel or strip than there will be in toothpaste, but the best option for you will be something that fits with your lifestyle.

Yes; you can gargle with diluted hydrogen peroxide. In fact, many mouthwashes contain some hydrogen peroxide. Learn how to ...

Choose a toothpaste with calcium carbonate or hydrogen peroxide if you want to whiten your teeth. Avoid toothpaste with ingredients like activated charcoal, which can damage enamel. Shopping for ...

Many commercial whitening products contain hydrogen peroxide, although at a much higher concentration than you will use at home. One study found that a toothpaste containing a higher amount of ...