The Advanced Home Whitening Kit provides visible results in just 20 minutes. Stick with it for 5 days and you’ll take your teeth up to 8 shades whiter. You’ll get a six-month supply of our aftercare to maintain that glowing grin of yours, plus a travel case to take it on-the-go. The Advanced Home Whitening Kit is sensitivity-free, enamel-safe and includes the SunnaSmile Professional Strength Xyliprox gel and LED light. You can use the kit on its own at home preferably while you watch Netflix. Ingredients: Urea Peroxide, Aqua, Glycerin, Potassium Citrate, Xylitol, Hydrogen Peroxide, Calcium Lactate, Triethanolamine, Carbomer, Disodium EDTA, Citric Acid, Mentha Piperita (Peppermint) Oil, Zinc Chloride, Aloe Barbadensis Leaf Juice, Melia Azadirachta Leaf Extract. Carbamide Peroxide: 20%, Hydrogen Peroxide: 4%.