You may recall, however, that there were few liquid detergents; detergents came mainly in a powder form. Readers of today’s column may remember Duz detergent which was popular in the 1950s.

Selecting the right detergent is based on various critical factors including the washing machine load size and the intensity of stains.

Here's what you need to know about liquid and powder laundry detergents. Choosing the right detergent will largely come down to your individual needs and personal preferences, says Kim Romine, P&G ...