The simplest way to launder your shower curtain is in the washing machine, but check the tag to ensure this method is safe first. Take the shower curtain off the rings. Select the delicate cycle and warm water setting. Place your shower curtain in the washer. Add a few drops of detergent and 1 cup of vinegar to the machine.

Put the shower curtain or liner in the washing machine and use a small amount of detergent. Choose a gentle cycle with warm water and the highest water level. Delicate or handwash cycles with slow spin speeds are safest for plastic curtains. Add a couple of bath towels, which will help wipe off dirt and residue and to help balance the load.

If your shower curtain isn’t machine washable, you’ll have to hand-wash it. King says the easiest way to do that is to wash it right in the tub. Lay the curtain flat in the bathtub and fill the tub with warm water and mild dish detergent. Allow the curtain to soak for 15 to 30 minutes, then scrub it using a brush or sponge.

Here is the step-by-step process for cleaning a cloth shower curtain in a washing machine: Start by removing the rings and separating it from any plastic liners. Set your washing machine to “gentle” and the water temperature to “warm.” Add one cup of white vinegar and a few drops of detergent to the washing machine. Run the washer for one cycle.

Toss the shower curtain into your washing machine with only like items (similar weight or color), and start a gentle cycle with warm water and a few drops of mild detergent. If the curtain is especially stained or mildewy, add a cup of white vinegar directly to the load.