Safe non-toxic paint-on tooth color. Paint on dry teeth for desired effect. For best results, paint in small areas between the teeth to give the appearance of decay or chipped teeth. Tooth F/X? can be removed by applying a small amount of isopropyl alcohol on a cotton swab and wiping the Tooth F/X? off or by brushing teeth with toothpaste. .1.25 fl.oz/ 4 ml. Glass Bottle with Brush Applicator.