ROLKEM Duster Colours: Approved Food Colouring, non-toxic, edible, semi-concentrated duster and mixer. Use this product to dust over finished articles. It can also be mixed into paste to get the same shade of the original colour. This product mixes well with fondant, (Plastic Icing) modeling paste, Pastalage, Royal Icing, butter icing, Cocoa butter, ethanol, and with ROLKEM Quick Dry Essence. It is also water-soluble. This product can be used either as a duster, or a colour. This product can be mixed directly into Chocolate in its powder form without diluting it first.