Coconut oil is antibacterial, antimicrobial, and antifungal! Studies have shown that coconut oil destroys the bacteria that can cause tooth decay. The other primary ingredient in this toothpaste is baking soda. Baking soda is a very mild abrasive which aids in cleaning and whitening teeth, and restoring pH balance. We add peppermint oil to help in diminish the anaerobic bacteria, the type of bacteria that thrives in a low oxygen environments such as the mouth, and can cause gum disease.