Travel pillows are a great accessory for taking on airplanes, trains, and buses. If you’ve used your travel pillow a lot, it might be getting dirty or collecting an odor. Before you clean your travel pillow, determine what material it is made out of. Most pillows, including those made from memory foam or microbeads, can be hand-washed with laundry detergent. If your pillow has a cover on it, simply take off the cover and wash it separately from the pillow itself. You can also sprinkle your pillow with baking soda and set it in the sun to freshen it. [ Edit ] Steps [ Edit ] Washing a Memory Foam or Microbead Travel Pillow Fill a container with lukewarm water and of detergent. Find a bucket, tub, or sink that is big enough to hold your travel pillow. Fill it up about halfway with lukewarm water, or water that is just above . Add a mild detergent and gently mix it into the water. Make sure your container is full enough that your travel pillow will be fully submerged. [1] You shoul...