Charcoal Tooth Powder, Unflavored with 5% HydroxyapatiteThis tooth powder is packed with ingredients your mouth will love and is formulated with 5% hydroxyapatite (micro) for remineralization. There's no baking soda in it a cheap, common ingredient in tooth powders because many will eventually find it irritating to delicate mouth and lip tissues. Absolutely no fluoride either. The herbs selected are all loved for their impacts on oral health like keeping mouth tissues healthy and moist. The hydroxyapatite,