Removes stains like grass, ground-in dirt, blood, foods & other set-in stains. Uses the power of three enzymes to remove even the toughest stains from your clothes. First enzyme helps remove tough protein stains such as blood, grass & sweat. Second enzyme works on starch stains like tomato & bbq sauces. Third enzyme targets oily stains like salad dressing & margarine. 12 oz. Zout is the original stain remover that was developed in the early 1960s as a professional cleaning solution for doctors’ and nurses’ uniforms. Today, Zout has been engineered with an advanced triple enzyme formula technology for a wider variety of fabrics and stains. Enzymes are specially designed to help break down specific stain types so that they can be more easily removed in the washer.