What about teeth whitening pens? Good or not? Teeth whitening pens do have a very limited benefit. But, first let’s talk about where they have almost zero benefit: Whitening pens are used to dab or brush hydrogen or carbamide peroxide onto the facial tooth surfaces....
What’s all this hoopla going around about black, activated charcoal (activated carbon) toothpaste and whitening teeth? Is it for real?…No, it’s not. Do I have anything particularly against activated charcoal toothpaste? Will it cause any harm? No. But it most...