The basics Safe, non-toxic, paint-on tooth color.  The benefits Each shade comes with instructions for easy application and removal. The uses Paint on a smoker's mouth, a gangster's gold tooth, blood onto your boxer's grille, spinach in your sailor's smile or black to "lose" a tooth. The bottom line Mehron's Tooth F-X is just what you need to add the finishing touches to your grotesque look! Available in a variety of colors for different effects.