SUPER WHITENER WITH UV SUN PROTECTOR*. It works because we care about cleaning... It's that easy... Achieving that "as-new" brilliance for all your whites is just not possible from detergents alone. But by simply popping in a GloWhite sachet with every white wash it not only makes those dull whites super white, but will also add a sun protection to safeguard you, your family and your clothes. ... Bring your whites back to life!