Liquid detergent is a cleaning agent that is formulated in liquid form for use in washing machines or for handwashing dishes, clothing, or other surfaces. It typically contains surfactants, which are compounds that help to remove dirt, grease, and stains, as well as other ingredients such as enzymes, fragrances, and stabilizers.Liquid detergents include laundry, dishwashing, multi-purpose cleaners, surface cleaners, carpet cleaners, and fabric softeners.They are usually packed in plastic bottles with pump head.