Super Smile - Professional Activating Rods – 5 PER BOX DIRECTIONS: Prime teeth and jump-start whitening process. 1. Snap blue top off at the black line. 2. Place the bottom plastic end of swab inside the tube and gently push black line down, allowing serum to be absorbed by swab. 3. Using the swab, rub serum across all of your teeth. Leave serum on for 30 seconds. Do not rinse. 4. Follow by brushing with the Professional Whitening Toothpaste and Accelerator as directed. 5. Rinse.