Charcoal: Whitens teeth, is non abrasive to enamel and absorbs toxins (Charcoal can stain clothes). Coconut oil: Antibacterial. Cloves: Re-mineralize enamel and add a peppermint taste. Betonite clay: Superpourus similar to charcoal, betonite clay is also abrasive to break up food but not abrasive enough to harm enamel.