While you don’t actually need to do laundry stripping if your clothes are washed correctly every time, your clothes may not always be washed right—and laundry stripping is harmless at worst and visually satisfying at best, to say nothing of its effectiveness. To do this one, you soak your laundry for a long time (usually in a bathtub, where you can see the water get grosser and grosser) to pull out product buildup, dirt, and other icky stuff.