The new natural dental products by Healthy Smile have anti-microbial properties which eliminate bad breath, plaque, tooth decay, gingivitis and tartar, thanks to the star ingredient Colloidal Silver. Colloidal silver is a natural germicide. Research has shown that it works by acting as a catalyst, disabling the enzyme that single-celled bacteria require for metabolism of oxygen. This then suffocates the invading cell while doing no harm to any human enzymes.