Cotton candy (U.S., India, Canada), candy floss (UK, Pakistan, Ireland, New Zealand, India, South Africa, Canada), or tooth floss (South Africa), and Fairy Floss (Australia) is a form of spun sugar. It is almost 99.999 percent sugar, with dashes of flavoring and food colouring.

Made by heating sugar and spinning the liquified sugar out through tiny holes where it re-solidifies in minutely thin strands of “sugar glass,”the final cotton candy contains mostly air; with a typical serving weighing approximately 1 ounce or 30 grams.

Often served at fairs, circuses, carnivals, and festivals, cotton candy is sold on paper batons or in plastic bags.Food coloring can be used to change the natural white color, and numerous flavorings are available to change the taste.