Not all polyester-filled pillows are the same. Some are washable, some are not. Check the care label and follow washing instructions. If the care label is gone, take it to a dry cleaner to be safe.

Kapok is made from Ceiba tree seed coverings. It cannot be washed. Lay pillows out in the sun for several hours to freshen them.

If your pillow is made of “memory foam,” do not wash—because of its unique composition, it may take weeks to dry and mildew can grow inside. Contact the manufacturer for specific instructions. If your pillow is made of a different

Always check for holes or ripped seams first, and repair them before attempting to clean. Down and feather pillows can be dry cleaned, and will retain their softness and fluffiness. If you put down or feather pillows in the washing

Use two pillowcases, or invest in a high-quality pillow protector—a plain, zippered pillowcase to keep dirt and dust out. Then your pillows won’t need to be washed as often. Memory foam can be damaged by water. Waterproof pillow protectors are