Ingredients: Deionized Water, Hydrogen Peroxide, Sodium Bicarbonate, Tetra Potassium Pyrophosphate, Potassium Carbonate, Sodium Benzoate, Sodium Tripolyphosphate, Poloxamer 407, Cetyl Pyridinium Chloride, Sodium Sacchrinate, Tween 20, Glycerine, Sorbitol, Flavor, Malic Acid.

Step 1: Snap blue top off at the black line. Step 2: Place the bottom plastic end of swab inside the tube and gently push black line down, allowing serum to be absorbed by swab. Step 3: Using the swab, rub serum across all of your teeth. Step 4: Leave serum on for 30 seconds. Do not rinse. Step 5: Follow by brushing with the Professional Whitening Toothpaste and Accelerator as directed. Step 6: Rinse.