Fan-tastic Teeth is a temporary liquid tooth stain that was developed by dentists to be safe easy to apply, and easy to remove. It dries in 10 seconds and lasts up to 24 hours but can be removed at any time. It can even safetly dye nails. It will not harm teeth or any existing dental work. Fan-tastic Teeth paint is ideal for creating the look of stained or rotten teeth without the expense and hassle of fitting dentures.