Charcoal toothpaste has been rising in popularity through recent years. I have been asked by many patients about its efficacy and safety. After some research this is what I have concluded: 1. Charcoal toothpaste is natural, so it must be safe, right? Charcoal is a natural substance and is often marketed as natural and safe. However, the safety of charcoal on enamel is dependent on usage. Charcoal is abrasive and long-term effects of abrasiveness on enamel can lead to erosion and sensitivity. C