The highest performing professional whitening toothpaste and accelerator formula with 3X’s the Calprox®, our proprietary ingredient that safely and effectively whitens and remineralizes teeth without sensitivity.   This breakthrough formula also significantly improves gum health with continued use. The Extra White Toothpaste with calprox®, works by gently dissolving the sticky bio-film on teeth to which plaque, bacteria and stains adhere. The Extra White Accelerator safely and effectively removes deep set stains and below the surface stains for outstanding whitening results. This System (toothpaste and accelerator) is safe to use on teeth and all dental prosthetics and restorations. Tested Results: In clinical studies: every participant was measured to have shade improvement after the first brushing after just one brushing an average of 2 shades improvement was measured participants showed up to 9 shades whiter after 30 days Other studies showed: The toothpaste and accelerator are 94% less abrasive than the limit set by the American Dental Association (ADA) Size: Total Weight of 14 oz. (2 x 7.0 oz.)