Theodent 300 represents the extra-strength version of our proprietary formulation. This product is for the discerning Theodent customer that desires or needs the absolute highest dose of Rennou™ in the marketplace. Powered by this extra-strength dose of proprietary Rennou™, Theodent 300's activity can be felt after your very first brush and is the pinnacle of Theodent's research and development. Despite its power, Theodent 300 is also non-toxic, not harmful if swallowed, and safe for pediatric use (particularly in cases of enamel hypoplasia) (thinning enamel).