With the help of oral care experts and product testers, I rounded up the best teeth whitening kits that deliver fast, safe ...

may be carcinogenic and weaken teeth. There are three main "whitening" approaches. Toothpastes containing anti-staining agents or hydrogen peroxide cost a pound or two more than regular ...

Teeth-whitening treatments are relatively new to ... one-third of its content as hydrogen peroxide, a strong oxidizing agent.” Obviously there are other whitening agents and alternative ...

They may also get spotted or patchy teeth as a result of the uneven spread of bleach. 'For someone with deep cavities, the bleach can have an unimpeded route to the blood vessels, nerves and bone ...

to your teeth. These whitening agents penetrate your teeth and [cause] a chemical reaction, oxidizing stains, therefore ...