Formulated by Dr. Irwin Smigel, world-renowned "Father of Aesthetic Dentistry". The Accelerator formula is superior to any whitening product on the market and is the highest performing product in our line. Clinically proven to whiten teeth 6 shades when used in combination with our Professional Whitening Toothpaste*. Contains safe yet powerful whitening agents such as carbamide peroxide that combined with Whitening Toothpaste delivers the most exceptional whitening results. Formula lifts deep-set stains and quickens the whitening process. Accelerator must be used with the Professional Whitening Toothpaste. On a DRY toothbrush, place a pearl-size drop of both the Professional Whitening Toothpaste and Accelerator. Brush in circular motions for two minutes, twice daily. 3 month supply. Highest performing product in our line. Clinically proven to whiten teeth 6 shades when used with our Professional Whitening Toothpaste*. Formula lifts deep-set stains. Quickens the whitening process.