The Tide with Acti-Lift formula contains technologies to help lift off stains with ease. Acti-lift has 3 parts:Cleaning enzyme – helps provide deep cleaning of fibers so stains lift off more easily Cleaning polymer - designed to boost Tide’s already great cleaning surfactant to help break-up dry stains and lift them from fabrics Whiteness booster – helps to give a great whiteness result – even in just one wash