Difference between Detergent and Washing Powder ...- powder washing soap powder washing soap washing powders emon washing powder ,Detergent refers to a broad category of surface active agents used for cleansing purposes, whereas washing powder is a detergent in form of powder. Oxford Dictionary defines detergent as ‘a water-soluble cleansing agent which combines with impurities and dirt to make them more soluble, and differs from soap …How to buy the best laundry detergent | CHOICEIs powder or liquid laundry detergent better? This really depends on the type of stain you're dealing with, the characteristics of your washing machine and personal preference. Powder laundry detergents. Powders …