Widely used in laundry detergents to enhance the whiteness of fabrics by absorbing ultraviolet light and emitting blue light, making clothes appear brighter and cleaner. Commonly added to liquid and powder detergents, as well as fabric softeners. Also used in paper manufacturing to improve brightness and visual appeal of white papers. Applied in textile processing to counteract yellowing and maintain vibrant appearance of fibers. Used in some plastic products to correct color and improve optical clarity. Effective at low concentrations and compatible with a variety of surfactant systems.