ABSTRACT
I. INTRODUCTION Light-duty liquid detergents (LDLDs) are mixtures of surfactants dispersed in water and, as opposed to heavy-duty liquid detergents (HDLDs), are free of builders or alkaline inorganics. They are used primarily for hand washing of dishes, glasses, pots and pans, and other cooking and serving utensils. They are also used
for washing hands, cleaning kitchen countertops, cutting boards, stove surfaces, and less often for washing delicate fabrics and general household cleaning.
