HIGH CONCENTRATION: HXDZFX food colouring gel is a highly concentrated formula that requires only a small amount for a vibrant colour. WIDELY USED: Widely used in cake decoration, baking, cream, chocolate, candy, fondant, macaroon, flip sugar cookies, donuts, frosting, ice cream, batter, drinks, etc., as well as lip gloss, DIY, soap, bath bombs, easter eggs, egg dye and other DIY crafts.