A Nevada woman has filed a class-action suit against Colgate-Palmolive, claiming that Colgate's Optic White toothpaste is based on "false hope" because it fails to naturally, deeply whiten teeth as ...

Hydrogen peroxide can whiten teeth by removing stains and substances that make them look yellow. However, if not used correctly, it can damage teeth. Jump to Key Takeaways. Teeth can become stained or ...

Visiting a dentist for a professional teeth whitening treatment isn't always in the cards — sometimes it doesn't fit within your busy schedule or budget. But there are plenty of at-home alternatives ...