Washing pillows is a crucial step in maintaining a hygienic sleep environment, but the process can be confusing for many. Knowing how to wash pillows in the washing machine safely is key to removing allergens, dust mites, and bacteria without damaging the pillow itself. Laundry experts and manufacturers agree that while most pillows can be machine-washed, careful attention to fabric type, machine settings, and drying methods is essential to preserve their structure and cleanliness.
The Expert Consensus on Washing Pillows
The question of whether a pillow can be machine-washed depends largely on its fill material. According to industry professionals, synthetic and down pillows are generally safe for machine washing, while memory foam and some specialty pillows require different methods. The American Cleaning Institute (ACI), a leading voice on cleaning practices, recommends checking the care label on the pillow before any washing attempt.
“The care label is the definitive guide,” said Jessica Williams, a senior textile specialist at CleanTech Innovations. “It tells you everything you need to know about water temperature, cycle type, and whether it can be machine dried. Ignoring this can lead to clumping, shrinkage, or irreversible damage to the pillow’s filling.”
For down and feather pillows, a front-loading washing machine is often recommended to prevent the central agitator of a top-loader from damaging the delicate filling. A gentle or delicate cycle with warm or cool water is typically advised. Using a small amount of mild, low-suds detergent is critical to ensure it rinses out completely, preventing residue buildup that can attract more dust and dirt over time.
How to Properly Launder Different Pillow Types
Washing a pillow requires more than just tossing it in the machine. Each type of pillow filling has specific needs that must be addressed to ensure a thorough cleaning without causing damage.
Synthetic and Fiberfill Pillows
These are among the easiest types to wash. Most can be laundered in a standard washing machine. Experts suggest washing two pillows at a time to balance the load, which helps the machine run more efficiently and ensures the pillows get a better wash. Use a gentle cycle with warm water and a small amount of liquid detergent. A second rinse cycle is often recommended to completely remove all soap residue, which can cause the fibers to clump.
Down and Feather Pillows
These pillows can be machine-washed, but they require a bit more care. Use a front-loading machine if possible, or a top-loader without a central agitator. Select a delicate or gentle cycle with cold water and a mild detergent specifically designed for delicate fabrics. After the wash, it’s crucial to ensure the pillows are completely dry to prevent mildew.
“Drying down pillows thoroughly is the most critical step,” notes Dr. Anya Sharma, a senior fellow at the Textile Research Institute. “Any residual moisture can lead to mold and a persistent unpleasant odor.” She recommends a low-heat setting in a large capacity dryer, often adding a few clean tennis balls or dryer balls to the drum. These help to break up clumps and fluff the down, restoring the pillow’s loft.
The Exceptions: Pillows That Cannot Be Machine-Washed
While many pillows are machine-washable, some popular types should never be put in a washing machine.
Memory Foam Pillows: The solid, dense structure of memory foam and latex pillows is not designed to withstand a washing machine’s agitation. The force and water can break down the foam, causing it to disintegrate or lose its supportive properties. Instead, a spot-cleaning method is recommended. The Sleep Foundation, a leading resource on sleep health, advises using a damp cloth with a small amount of mild detergent to spot-treat stains. The pillow should then be air-dried completely in a well-ventilated area, away from direct sunlight, which can also degrade the material.
Buckwheat Pillows: These pillows are filled with buckwheat hulls and cannot be washed. The hulls will become soggy and potentially moldy if exposed to water. The correct method is to empty the hulls and wash the pillowcase and inner shell separately. The hulls themselves can be spread out on a tray to air out or replaced entirely if they have been used for an extended period.
Frequency and Best Practices
How often should you wash pillows? The general recommendation is to wash pillows every six months. This schedule helps in managing the buildup of sweat, body oils, and allergens that accumulate over time. Pillowcases and shams should be washed weekly in hot water to kill bacteria and dust mites, a practice supported by the Centers for Disease Control and Prevention (CDC) for household linens.
For pillows, the consensus is to use a gentle approach. When drying, patience is key. Using a low heat setting and allowing ample time for the pillow to become fully dry is non-negotiable. If a pillow still feels damp or heavy after a cycle in the dryer, it should be hung on a clothesline or placed in a well-ventilated area for further air-drying.
A Note on Pillow Replacement
Even with regular washing, pillows do not last forever. Experts suggest replacing pillows every one to two years for synthetic fills and every two to three years for down pillows. The Sleep Foundation provides a simple test: fold the pillow in half. If it doesn’t spring back to its original shape, it has lost its loft and supportive qualities and should be replaced. Regular washing and proper care can extend a pillow’s life, but ultimately, it is a consumable item that needs to be renewed for optimal hygiene and support.
The proper care of pillows, including machine-washing compatible types and spot-cleaning others, is a straightforward but often overlooked component of home hygiene. By following the care label and expert advice, individuals can significantly extend the life of their pillows and ensure a cleaner, healthier sleep environment.
How to Clean Walls Before Painting: The Overlooked Step Experts Say Is Crucial for a Flawless Finish