"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

For decades, fluoride has been at the heart of modern dental care, recommended by dentists and added to everything from toothpaste to drinking water. But in recent years, a growing wave of ...

Charcoal — it’s all the rage right now. You can now find the ingredient in products like shampoo, facial masks, deodorant and even toothpaste, and they’re all selling like crazy. But the American ...