Ultimate Baker's Luster Dusts are ideal for use on rolled fondant, gumpaste, fondant flowers, plaques & lettering or any baking masterpiece. Ultimate Baker Luster Dust may be mixed with alcohol or lemon oil for painting or mix with water to make food coloring to add into buttercream to get that brilliant shine. Each Luster dust color creates a different effect to give the luster you are looking for. To use as a food coloring: Simply add 2 parts water to 1 part powder (use less water if you want a stronger shade). Mix until completely disolved. Storage: Store in a cool, dry place away from sunlight and heat.