How Do You Wash Pillows in the Washing Machine

Washing your pillows in the washing machine is one of the easiest ways to keep them fresh, clean, and free from dust mites and allergens. Most synthetic, down, and feather pillows can handle a gentle machine wash cycle with warm water and mild detergent. The key is knowing your pillow’s material, choosing the right settings, and drying thoroughly to prevent mold and mildew.

Your pillow collects sweat, dead skin cells, body oils, and dust mites every single night. Over time, it can develop yellow stains, unpleasant odors, and even trigger allergies. If it’s been a while since you last cleaned your pillows, you’re probably wondering how to wash pillows in the washing machine without ruining them.

The good news is that most pillows can be safely machine-washed at home. You don’t need any special equipment or professional cleaning services. With the right technique, you can restore your pillows to a fresh, fluffy state in just one afternoon.

In this complete guide, we’ll walk you through every step of the process — from checking your pillow’s care instructions to getting them perfectly dry and fluffy again.

• Check the care label first: Always read your pillow’s care tag before washing to confirm it’s machine-washable and to identify the correct water temperature and cycle type.
• Use a gentle cycle with warm water: A delicate or gentle cycle paired with warm (not hot) water protects the pillow’s filling and structure during the wash.
• Wash two pillows at a time: Adding a second pillow to the load helps balance the washing machine drum, ensuring a more even and effective clean.
• Choose a mild liquid detergent: Avoid powder detergents and fabric softeners, as they can leave residue inside the pillow filling and cause clumping.
• Dry pillows thoroughly: Use a low-heat dryer setting with tennis balls or dryer balls to fluff the filling and break up any damp clumps inside.
• Never wring out pillows: Wringing can damage the internal structure of the pillow and cause permanent deformation of the filling material.
• Wash pillows 2–4 times per year: Regular washing extends the life of your pillows and creates a healthier sleeping environment by removing sweat, oils, and allergens.

Quick Answers to Common Questions

How often should I wash my pillows?

You should wash your pillows every 3–4 months, or about 2–4 times per year. If you suffer from allergies, wash them more frequently — ideally every 2 months. Using a pillow protector can help extend the time between washes.

Can I wash memory foam pillows in the washing machine?

No, memory foam pillows should not be washed in the washing machine. Water can break down the foam structure and permanently damage the pillow. Instead, spot-clean stains and air out memory foam pillows regularly to keep them fresh.

What temperature should I use to wash pillows?

Warm water (around 40°C / 100°F) works best for most pillow types. It’s effective at removing body oils and killing dust mites without damaging the filling. Always check your pillow’s care label for specific temperature recommendations.

Why do my pillows smell bad after washing?

If your pillows smell bad after washing, they likely weren’t dried completely. Trapped moisture inside the pillow can lead to mildew and musty odors. Make sure to dry your pillows thoroughly in the dryer on low heat, and consider running an extra dry cycle to be safe.

Can I use bleach when washing white pillows?

It’s best to avoid bleach, even on white pillows. Bleach can weaken fabric fibers and degrade certain fillings over time. Instead, use a mild liquid detergent and add half a cup of baking soda to the wash cycle for extra whitening power.

Step 1: Check the Care Label and Pillow Type

Before you toss your pillows into the washing machine, take a moment to check the care label stitched onto the side. This small tag contains critical information about whether your pillow is machine-washable and what settings to use.

Common Pillow Types and Machine Washability

Most polyester fiberfill and down alternative pillows are fully machine-washable. These are the most common pillows found in homes today, and they handle the washing machine very well.

Down and feather pillows can also be washed in the machine, but they require extra care. Down is delicate and can clump when wet, so you’ll need to use a gentle setting and ensure thorough drying.

Memory foam pillows generally should NOT go in the washing machine. Water can break down the foam structure and ruin the pillow permanently. If you have a memory foam pillow, check out our guide on how to clean pillows by hand instead.

Buckwheat hull pillows are another type that should not be machine-washed. The hulls can absorb water and become difficult to dry properly.

What to Look for on the Care Label

The care label will typically tell you:

• Whether the pillow is machine-washable or hand-wash only
• The recommended water temperature
• The appropriate washing cycle
• Drying instructions

If the care label is missing or unreadable, assume the pillow should be hand-washed or spot-cleaned to be safe.

Step 2: Prepare Your Pillows for Washing

Proper preparation makes a big difference in how well your pillows come out of the wash. A few minutes of prep work can prevent clumping, uneven cleaning, and potential damage to your machine.

Remove Pillowcases and Protectors

Always strip off the pillowcase and any pillow protector before washing. These should be laundered separately in your regular laundry load. Pillow protectors are especially important because they act as a barrier against sweat and oils — consider using one if you don’t already.

Spot-Treat Stains

If your pillow has yellow stains or visible spots, pre-treat them before washing. Mix a small amount of mild liquid detergent with water and gently dab it onto the stained area. Let it sit for about 10–15 minutes before loading the pillow into the machine.

For stubborn yellow stains, you can also use a paste made from baking soda and water. Learn more about this method in our article on how to clean yellow pillows with baking soda.

Check for Tears or Holes

Inspect your pillow carefully for any rips, holes, or loose seams. If you find damage, repair it with a needle and thread before washing. Running a torn pillow through the machine can result in filling spilling out and clogging your machine’s drain.

Step 3: Load the Washing Machine Correctly

How you load your pillows into the washing machine matters more than you might think. An unbalanced load can cause excessive vibration, uneven cleaning, and even damage to your machine.

Always Wash Two Pillows at a Time

This is one of the most important tips for washing pillows in the machine. A single pillow can bunch up on one side of the drum, creating an unbalanced load that causes the machine to shake violently. Adding a second pillow balances everything out and allows water and detergent to circulate evenly around both pillows.

If you only have one pillow to wash, add a couple of bath towels to the load to create balance.

Choose the Right Washing Machine

If possible, use a front-loading washing machine rather than a top-loader with a center agitator. The agitator in top-loading machines can be too rough on pillows and may cause the filling to shift or clump. Front-loaders use a tumbling motion that is much gentler on delicate items.

If you only have a top-loading machine, that’s perfectly fine — just select the gentlest cycle available and monitor the wash.

Step 4: Select the Right Settings and Detergent

Using the correct water temperature, cycle type, and detergent ensures your pillows get clean without being damaged.

Water Temperature Guidelines

• Warm water (around 40°C / 100°F): This is the ideal temperature for most pillows. It’s hot enough to kill dust mites and dissolve body oils but not so hot that it damages the filling.
• Hot water: Only use hot water if the care label specifically recommends it. Hot water can shrink fabric covers and damage certain fillings.
• Cold water: Cold water is safe but less effective at removing oils and killing allergents. It’s a good option for very delicate pillows.

For feather pillows specifically, check our detailed guide on what temperature to wash feather pillows to get the best results.

Cycle Type

Select the gentle or delicate cycle on your washing machine. This uses slower agitation and spin speeds that are safer for pillow fillings. Avoid heavy-duty or permanent press cycles, as the aggressive agitation can cause clumping and structural damage.

Choosing the Right Detergent

Use a mild liquid detergent — about half the amount you’d use for a regular laundry load. Liquid detergent dissolves more completely and rinses out more easily than powder, which is important because detergent residue inside your pillow can cause irritation and odors.

Avoid these products:

• Powder detergent: Can leave granules trapped inside the pillow filling
• Bleach: Can weaken fabric fibers and damage certain fillings
• Fabric softener: Coats the filling fibers and reduces breathability and fluffiness

Step 5: Dry Your Pillows Thoroughly

Drying is arguably the most critical step in the entire process. Pillows that aren’t dried completely can develop mold and mildew inside — which is not only unpleasant but also a health hazard.

Using a Dryer

Place your pillows in the dryer on a low heat setting. High heat can damage synthetic fillings and cause down to become brittle. Add two or three clean tennis balls or dryer balls to the dryer — they’ll bounce around and help break up any clumps in the filling while restoring fluffiness.

The drying process typically takes 1–2 hours, depending on your dryer and the pillow type. Check periodically to fluff and rotate the pillows. Make sure they’re completely dry all the way through before putting them back on your bed. Even a small amount of trapped moisture can lead to mold growth inside the pillow.

For more detailed drying instructions, see our guide on how to dry pillows after washing.

Air Drying as an Alternative

If you prefer to air dry your pillows, lay them flat on a clean, dry surface in a well-ventilated area. Avoid hanging them vertically, as the weight of the wet filling can stretch and deform the pillow. Flip the pillows every few hours to ensure even drying. Air drying can take 24–48 hours depending on humidity and airflow.

Step 6: Tips for Keeping Pillows Clean Between Washes

Washing your pillows is important, but extending the time between washes is just as valuable. Here are some practical tips to keep your pillows fresher for longer.

Use Pillow Protectors

A zippered pillow protector acts as a barrier between your head and the pillow. It absorbs sweat, oils, and dead skin cells, preventing them from reaching the pillow filling. Wash your pillow protector every 1–2 weeks along with your regular bedding.

Wash Pillowcases Frequently

Change and wash your pillowcases at least once a week. This simple habit significantly reduces the amount of grime that reaches your pillow.

Fluff Pillows Daily

Give your pillows a good fluff every morning after getting out of bed. This helps redistribute the filling and allows moisture from the previous night to evaporate.

Avoid Eating in Bed

Crumbs, oils, and food particles can easily transfer from your face and hands to your pillow. Keeping food out of the bedroom helps keep your pillows cleaner.

Common Mistakes to Avoid When Washing Pillows

Even with the best intentions, it’s easy to make mistakes when washing pillows. Here are the most common ones to watch out for:

• Using too much detergent: Excess soap doesn’t rinse out easily and leaves a sticky residue that attracts more dirt
• Washing one pillow at a time: Creates an unbalanced load and results in poor cleaning
• Using high heat in the dryer: Can melt synthetic fillings and damage natural down
• Not drying completely: Even slightly damp pillows can grow mold within days
• Skipping the care label check: Some pillows simply aren’t designed to be machine-washed
• Wringing out wet pillows: This can permanently damage the internal structure and filling

Conclusion

Learning how to wash pillows in the washing machine is a simple skill that pays off in better sleep, improved hygiene, and longer-lasting pillows. By following the steps outlined in this guide — checking the care label, prepping your pillows, washing two at a time with mild detergent, and drying thoroughly — you can keep your pillows fresh and comfortable all year round.

Remember to wash your pillows every few months and use pillow protectors to extend the time between washes. Your nose, your skin, and your overall sleep quality will thank you for it.

Frequently Asked Questions

Can I wash all types of pillows in the washing machine?

Most polyester, down alternative, down, and feather pillows can be safely washed in the washing machine. However, memory foam and buckwheat hull pillows should not be machine-washed, as water can damage their structure. Always check the care label before washing.

Do I need to use a special detergent for washing pillows?

You don’t need a special detergent, but you should use a mild liquid detergent and avoid powder formulas, bleach, and fabric softener. Use about half the normal amount to ensure the detergent rinses out completely and doesn’t leave residue inside the pillow.

How long does it take to dry pillows in the dryer?

Pillows typically take 1–2 hours to dry in the dryer on a low heat setting. The exact time depends on the pillow type and your dryer’s efficiency. Make sure the pillows are completely dry inside and out before using them — any remaining moisture can cause mold.

What happens if I don’t dry my pillows completely?

Incompletely dried pillows can develop mold and mildew inside, which produces unpleasant odors and can trigger allergies or respiratory issues. Always ensure your pillows are 100% dry before putting them back on your bed.

Can washing pillows help with allergies?

Yes, washing pillows regularly is one of the best ways to reduce allergens in your bedroom. Washing in warm water kills dust mites and removes accumulated pollen, pet dander, and dead skin cells that can trigger allergic reactions.

Is it better to wash pillows in a front-loading or top-loading machine?

A front-loading washing machine is generally better for pillows because it uses a gentle tumbling motion instead of a harsh agitator. However, you can use a top-loading machine successfully by selecting the gentle cycle and washing two pillows at a time for balance.