These black toothpastes promise whiter teeth, but they can cause lasting damage to your smile.
Click here for original story, Charcoal toothpaste: Why the risks outweigh the benefits – CNET
Source: CNET
These black toothpastes promise whiter teeth, but they can cause lasting damage to your smile.
Click here for original story, Charcoal toothpaste: Why the risks outweigh the benefits – CNET
Source: CNET