Used primarily in the textile and paper industries to enhance brightness and whiteness. It absorbs ultraviolet light and re-emits it as visible blue light, making materials appear brighter and more visually appealing. Commonly applied in laundry detergents to make white fabrics look cleaner and in paper production to achieve a high level of whiteness. Also utilized in plastics and coatings to improve aesthetic qualities. Its effectiveness in low concentrations makes it a cost-efficient solution for achieving desired visual effects.