Detergent

“The dirt and germs come off the clothes and go into the water,” Richardson, the author of the bestselling “Laundry Love,” explained. “They get trapped in the surfactant [compounds in detergent that lift dirt and stains from clothes] and then, when the rinse comes, the surfactant goes down the drain. If you use too much detergent, it can’t rinse out, so the surfactant actually…