We’ve all been there. You’re rushing to get ready for work or an appointment, look down and realize you’ve got a glob of toothpaste on your favorite blouse. Unfortunately, you can’t just wipe it away ...

Lifehacker reader Joshua accidentally stained his white MacBook with a gel pen and, having just replaced his case, was not eager to see it discolored again. So he reached for that ultra-handy cleaner, ...

No, there is no evidence to support that coconut oil can whiten teeth. Still, it can make them appear brighter after ...

Tobacco and coffee affect the outer layer of your teeth; if left untreated, these stains can make your teeth look unhealthy and lose their whiteness. Stained teeth can be a real confidence killer, ...