Liquid vs Powder Laundry Detergents - Which is Better?
Mar 10, 2019·More About Liquid Laundry Detergents. Liquid laundry detergent was developed in the early 20th century. In 1907, a man named Otto Rohm discovered that enzymes could be incorporated into cleaning agents to improve washing performance. His detergent, Burnus, later became the most widely used detergent in Germany.