How To Wash Memory Foam Pillow

Knowing how to wash a memory foam pillow is essential for keeping your favorite sleep accessory fresh and supportive for years. It might seem tricky because memory foam is sensitive to water and heat, but with the right method, you can do it safely at home.

This guide will walk you through the entire process, from spot cleaning to full washing, and give you tips on drying and maintenance. We’ll cover what you should and shouldn’t do to avoid damaging the foam’s unique structure.

First, a crucial warning: you should never submerge a solid memory foam pillow in a washing machine. The agitation and spin cycle can tear the foam apart. However, many memory foam pillows come with a removable, machine-washable cover, and some are designed with a washable inner core. Always check the manufacturer’s care label first—it’s your best guide.

Understanding Your Memory Foam Pillow

Not all memory foam pillows are the same. Knowing what type you have is the first step to cleaning it correctly.

Solid Memory Foam: A single block of foam. These cannot be machine-washed or submerged.
Shredded Memory Foam: Filled with small pieces of foam. Sometimes these can be washed if the outer cover is fully sealed, but check the label.
Gel-Infused or Copper-Infused Foam: Has special additives for cooling. Follow the same careful cleaning rules as solid foam.
Removable Cover: Almost always machine washable. This is the part you’ll clean most often.

Step-by-Step: Spot Cleaning Your Pillow

For small spills or stains, spot cleaning is the safest method. You’ll want to act quickly to prevent the liquid from soaking to deep into the core.

Blot, Don’t Rub: Use a clean, white cloth to gently blot up any excess liquid. Rubbing can push the stain deeper.
Make a Cleaning Solution: Mix a small amount of mild detergent (like dish soap or a gentle laundry detergent) with cool water. Avoid harsh chemicals like bleach.
Test for Colorfastness: Dab a tiny bit of the solution on an inconspicuous area of the pillow to ensure it doesn’t discolor the fabric.
Clean the Stain: Dip a cloth in the solution, wring it out so it’s damp, not soaking, and gently dab at the stain. Work from the outside of the stain inward.
Rinse: Dampen another cloth with clean, cool water and dab the area to rinse out the soap.
Dry Thoroughly: Use a dry towel to blot away moisture. Then let the pillow air dry completely before using it again. You can place it near a fan to speed up drying.

How to Hand Wash a Memory Foam Pillow

If your pillow needs a full clean and the label permits gentle hand washing, follow these steps. This is usually only for sealed shredded foam pillows.

Fill a Tub: Use a bathtub or large sink and fill it with cool or lukewarm water. Hot water can damage the foam.
Add Detergent: Add a small amount of mild detergent and swish it around to dissolve.
Submerge and Press: Place the pillow in the water. Gently press it down to let the soapy water soak through. Do not twist, wring, or scrub the foam.
Soak: Let it soak for 10-15 minutes to loosen dirt and oils.
Rinse: Drain the soapy water. Refill the tub with clean, cool water. Gently press the pillow repeatedly to rinse out all the soap. You may need to change the rinse water 2-3 times.
Remove Water: Carefully lift the pillow and press it against the side of the tub to squeeze out excess water. Never twist it.

The Critical Drying Process

Drying is the most important—and trickiest—part. Memory foam holds water and molds easily if not dried completely.

Press Out Water: Lay the pillow flat on several thick, dry towels. Roll it up in the towels and press firmly to absorb as much moisture as possible. You may need to repeat this with dry towels.
Air Dry Flat: Place the pillow on a flat, breathable surface like a drying rack. Do not hang it, as this can misshape the foam.
Circulate Air: Put it in a well-ventilated room with a fan or near an open window. Turn the pillow over every few hours.
No Direct Heat: Never use a hair dryer, place it in direct sunlight, or put it in a clothes dryer. High heat can melt or degrade the foam.
Be Patient: It can take 24 to 48 hours, or even longer, to dry completely. The core must be 100% dry before you sleep on it.

Washing the Removable Pillow Cover

Your pillow cover should be washed weekly or bi-weekly to control oils, dirt, and allergens. This is the easiest part of pillow maintenance.

Remove the cover from the foam insert.
Check the care label, but most can be washed on a gentle or delicate cycle in cool or warm water.
Use a mild detergent. Avoid fabric softener, as it can clog the fabric’s pores and reduce breathability.
Tumble dry on low heat or air dry. Put it back on the pillow only when both the cover and insert are completely dry.

What You Should Never Do

Avoiding these mistakes will save your pillow from ruin.

Do Not Machine Wash Solid Foam: The spin cycle will create centrifugal force that rips the foam’s cell structure apart.
Do Not Use Harsh Chemicals: Bleach, vinegar, or strong solvents can break down the foam.
Do Not Wring or Twist: This causes permanent damage and loss of shape.
Do Not Apply Direct Heat: No dryers, radiators, or hair dryers. The foam can overheat and even become flammable.
Do Not Skip Drying: Even a slightly damp pillow can grow mold inside, which is a health hazard.

Keeping Your Pillow Fresh Between Washes

Regular maintenance extends the time between major cleanings.

Use a Protector: A waterproof, breathable pillow protector under your pillowcase is the best defense against stains and sweat.
Air it Out: When making your bed, pull the covers back for an hour to let moisture from the night evaporate.
Fluff Daily: Give your pillow a good fluff and shake every morning to maintain its loft and air it out.
Vacuum: Use the upholstery attachment to gently vacuum the pillow surface to remove dust and debris.
Baking Soda Freshener: Sprinkle baking soda lightly over the pillow, let it sit for 15-30 minutes, then vacuum it up to neutralize odors.

When to Replace Your Memory Foam Pillow

Even with perfect care, pillows don’t last forever. Here are signs it’s time for a new one:

It no longer regains its shape and stays flat or lumpy.
You notice visible sagging or permanent indentations.
The foam feels crumbly or you hear cracking sounds when you press it.
It has a persistent odor that won’t go away after cleaning.
You wake up with more neck or shoulder pain.

Most memory foam pillows have a lifespan of about 2 to 3 years with proper care.

FAQ Section

Can you put a memory foam pillow in the washing machine?
Generally, no. You should not machine wash a solid memory foam pillow as it will be destroyed. Always check the manufacturer’s tag first. Some shredded foam pillows with sealed covers may be machine washable on a gentle cycle.

How do you dry a memory foam pillow after washing?
Air drying is the only safe method. Press out excess water with towels, then lay it flat in a well-ventilated area with good air circulation. Turn it over frequently. It can take up to two days to dry completely. Never use a dryer.

Can you wash memory foam pillows in the bathtub?
Yes, for a full clean of a washable shredded foam pillow, you can hand wash it in a bathtub with cool water and mild detergent. Gently press and soak, do not agitate. Rinse thoroughly and follow the careful drying steps.

How to clean a memory foam pillow without washing it?
For surface cleaning and odor removal, spot clean stains as described. You can also vacuum the surface and use baking soda: sprinkle it on, let it sit, then vacuum it up to freshen the pillow between deeper cleans.

How often should you wash a memory foam pillow?
Wash the removable cover every 1-2 weeks. The foam insert itself only needs a full wash maybe once or twice a year, or if it has a spill or stain. Over-washing the foam can wear it out prematurely.

By following this guide, you can effectively clean your memory foam pillow and ensure it provides clean, comfortable support. The key is always gentleness, avoiding heat, and committing to a thorough, patient drying process. Your pillow is a big part of a good night’s sleep, and taking care of it properly means it will take care of you for many nights to come.