How long will it take for food coloring to come off your fingernails?
Food coloring can stay in your hands for a period of 4 days to one week. However, there is a way that you can clean your hands in order to get the coloring from hands immediately. One way of doing this is to clean your hands with lemon. Visit http://www.modernmom.com/article/how-to-take-food-coloring-off-your-hands for more information.