PopWhite is a two-part system that includes a primer (toothpaste) and a toner (mouthwash). The combo will leave your mouth feeling refreshed and clean, but the power is in the purple color. The ...

Charcoal toothpaste can remove some surface stains on your teeth, but it doesn’t whiten teeth better than regular toothpaste. Its long-term effects are unclear. Charcoal is one of the biggest ...