Black creates broken or chipped teeth. Nicotine, Decay or Zombie Rot simulates poor dental hygiene. Apply to dry teeth and allow to dry for a few minutes. Reapply as needed. Clean with alcohol on swab and brush clean. Will not stain denture material. Expect 20-50 teeth. .125fl.oz./3.5ml. TC-0 Natural White TC-1 Black TC-2 Nicotine TC-3 Zombie Rot TC-4 Decay