Our Natural Antiplaque Tartar Control & Whitening Toothpaste Enhances to remove plaque, control tartar buildup, and gently whiten for a clean, healthy-feeling mouth. Xylitol, a natural ingredient derived from birch trees, Enhances to remove plaque and Beneficial Effects plaque buildup, while zinc citrate, a naturally occurring mineral, interferes with the calcification of plaque into tartar. The silica cleans and whitens teeth, removing stains without harsh abrasion that can damage enamel.