Pola For Aligners combines the same benefits of the award-winning Pola whitening formula. The neutral pH gel ensures the greatest patient comfort in a whitening kit and the high-water content gel contains potassium nitrate and fluoride to reduce sensitivity. The high viscosity gel ensures it can be easily and securely placed into the aligner tray, staying in place . The pleasantly flavoured spearmint gel is both fresh and long lasting. The Pola For Aligners system is available in Pola Night 10% or Pola Day CP 35% carbamide peroxide gel, offering treatment flexibility for day or night wear. Non-Latex Shelf Life: 821 days Country of Origin: Australia