Developed by Dr. Irwin Smigel, world-renowned "Father of Aesthetic Dentistry". Contains Calprox®, our unprecedented science, a proprietary formula of encapsulated calcium peroxide and minerals. Calprox® gently and effectively dissolves the sticky bio-film from teeth, to which plaque, bacteria, and stains adhere, without the risk of sensitivity. Clinically proven to whiten teeth 6 shades when used with our Professional Whitening Accelerator*. Inhibits plaque 10X better than leading plaque-removing toothpastes*. 75% less abrasive than the limit set by the ADA*. Best-selling formula safely and effectively lifts surface stains such as coffee, tea, tobacco and red wine without harsh abrasives. Contains calcium, magnesium, phosphates, and fluoride which remineralize and restore enamel and fight cavities. Restores bonded teeth, veneers, caps, dentures to their original shade. Just brush and whiten. Free of silica, parabens, sulfates, known allergens, animal by-products and BPA.