ROLKEM Rainbow Spectrum: Approved Food Colouring, non-toxic, edible dusting powder Use this product to dust over finished articles. It can also be mixed into paste to get a softer shade of the original colour. (Pastel Shade). This product mixes well with Fondant, (Plastic Icing) modeling paste, Pastalage, Royal Icing, Butter Icing, cocoa Butter, Ethanol, and to use with ROLKEM Quick Dry Essence. It is also Water-soluble. This product can be mixed directly into Chocolate in its powder form without diluting it first.