SERVICE- If used at low temperatures, food colouring may become a paste that is difficult to squeeze out. It is recommended to soak it in hot water for 5 minutes before use to allow the oil based food colouring to flow better. If you have any questions about the Oil-based Food Colourant set, please feel free to send a message to the seller via . We will do our best to help you. WIDE APPLICATION: Our oil based food colouring set can be widely used in baking, colourful chocolates, fondant, cakes, macarons, candies, chocolate glaze, butter cream decorations, sugar cookies, doughnuts, etc.(not for water and beverages). Ideal to decorate desserts on Valentine's Day, anniversary, birthday, Easter, Christmas, Halloween and Thanksgiving. VIBRANT AND LONG-LASTING FOOD COLOURING: Some candy melts colouring will often change color when baking at high temperatures but our food colouring set won't. Each drop provides high strong and uniform colour, maintaining vivid colour of this food dye so that your baking is more attractive and appetizing. When heated or frozen, the colour does not evaporate due to moisture. FOOD GRADE FORMULA: Some food dye colouring tastes bitter, our product made from safe ingredients with upgraded formula, odorless and tasteless, will not change the taste or texture of food. Candy colourant is between liquid and gel, and its texture is much thicker than other food colouring. CHOCOLATE OIL-BASED FOOD COLOURING: What differs oil-based food colouring from other food colouringOily food colouring is specifically designed for high fat content, soluble in butter, fat and oil substances so it can mix well with chocolate or candy melts while most other food colourants are water-based could not. Perfect for colouring chocolates and candy melts!.