Can Charcoal Toothpaste Really Whiten Teeth?
People have known for a long time that charcoal can help purify water. Charcoal is largely carbon, which is why it’s black, and carbon is a friendly atom that likes to attach to other organic molecules. By passing water or air through an activated charcoal filter, you can remove a lot of impurities like pollens, bacteria, and bad smells. It won’t get rid of everything, but it can get rid of a lot. Read more