Professional Strength Xyliprox™ Home whitening gel in a convenient 50ml airless pump. Use in Spa Dent or custom dental trays. First gel designed to also be used as a nightly toothpaste BOOSTER! PH Neutral, Silica Free, Lactose Free and Gluten Free ingredients that whiten, fight bacteria and remineralize. 20 times more gel than a typical take home syringe. A must have for anyone with Orthodontics!