The active ingredients and enzymes in UltraPhase 1 loosen dirt and remove stains from sources such as oil, grease, protein and starch.With UltraPhase 2, bleach is added at the appropriate time during the wash process and removes even stubborn stains such as coffee, tea, fruit juice or red wine.The big advantage of this dispensing system is that you can wash whites as well as colours perfectly with liquid detergents for the first time.