Tag «toothpaste»

Are whitening toothpastes bad for you and are they effective?

Are whitening toothpastes bad for you and are they effective?

Older versions of whitening toothpastes were often called smokers’ toothpastes. They used to contain the extremely abrasive materials to help remove difficult or resistant stains from the teeth. So, 20 or 30 years ago, smokers’ toothpaste or whitening toothpastes were very abrasive. And they sometimes contained bleaching agents that could be acidic for the tooth …