Supersmile Powdered Whitening Mouthrinse safely dissolves surface stains and freshens breath, by eliminating bacteria and plaque. Contains Calprox®, our unprecedented science, a proprietary formula of encapsulated calcium peroxide and minerals. Calprox® gently and effectively dissolves the sticky film (protein pellicle) from teeth without the risk of sensitivity. Provided in convenient, TSA-approved, on-the-go packets. Simply add water to a packet, swirl and rinse. Contains calcium, magnesium, and phosphates which remineralize enamel. Free of parabens, known allergens, animal by-products, alcohol, sugar, and BPA. It's also Kosher.