It contains surfactants, enzymes and optical brighteners to promote whiter whites and brighter colors. It works particularly well on polyester, nylon and spandex fabrics commonly used in athletic uniforms as well as on cotton and polyester fabrics used in healthcare and foodservice facilities. Can also be added to the wash cycle to help remove heavy stains in the wash process. Designed to be used in low water temperatures, ambient to 110° F (43°C).