Brilliant Blue R is widely used as a dye in various industries. In the food industry, it serves as a coloring agent in products like candies, beverages, and desserts to enhance their visual appeal. It is also employed in cosmetics, particularly in products such as eyeshadows, lipsticks, and soaps, to provide vibrant colors. In the textile industry, it is utilized for dyeing fabrics, ensuring bright and long-lasting hues. Additionally, Brilliant Blue R finds application in biological and medical research as a staining agent to visualize cellular structures and processes under a microscope. Its versatility and stability make it a popular choice across these fields.