Can You Put a Memory Foam Pillow in the Washing Machine? (The Hard Truth)

I wish I could go back in time and physically stop myself from pressing that “Start” button.

I learned the answer to Can You Put a Memory Foam Pillow in Washing Machine the hard way, and it wasn’t pretty. I was standing in my laundry room, staring at what used to be my favorite $80 cervical pillow.

Ten minutes earlier, I had confidently tossed it into the washer because some “cleaning influencer” with perfect lighting said the gentle cycle was safe. It wasn’t.

What I pulled out wasn’t a pillow. It was a heavy, sodden bag of yellow lumpy soup. It looked like scrambled eggs that had been left in the rain. And the smell? Wet dog mixed with chemical sadness.

I’m the Lead Researcher here at TidyFormula, and I’m the Skeptic. I don’t buy into the “easy hacks” that ruin your stuff. I’ve destroyed the pillows so you don’t have to. Here is the hard truth about cleaning memory foam without turning it into landfill filler.

Can You Put a Memory Foam Pillow in Washing Machine?

Let’s get the SEO header out of the way so I can give you the bad news directly. No.

I need to be clear. When I tried this, I used the “Delicate” cycle. I used cold water. I did everything the internet told me to do. It didn’t matter.

Memory foam is basically a giant sponge made of polyurethane. When it gets soaked, it becomes incredibly heavy (like, lifting-a-toddler heavy). The centrifugal force of the spin cycle pulls that weight outward. The foam can’t hold its own weight when wet. Snap. Cracks. Tears. Crumbs.

So, when you ask, can you put a memory foam pillow in washing machine, the answer is a hard no. Unless you want a bag of crumbs.

The Only Way to Actually Clean It (Without Tears)

Since we established you can’t just press a button and walk away (I wish), here is the manual method. It’s boring. It takes time. But your pillow survives.

The Tools

• Vacuum with upholstery attachment: If you don’t use this, you’re just making mud out of dust mites.
• Mild Detergent: I use clear dish soap. No dyes.
• White Vinegar: For the funk.
• Baking Soda: The heavy lifter.
• Clean White Towels: Colored ones might bleed dye onto the foam.

Step 1: The Dry Extraction

Strip the pillowcase. Throw that in the washer. Now, look at the bare pillow. See that greyish tint? That’s dead skin. (Gross, I know).

Vacuum the pillow. Go slow. You want to suck the dust mites and dander from deep inside the pores.

Step 2: The Spot Treat (Don’t Soak It!)

Mix a drop of dish soap with warm water. Dip a clean white cloth in. Wring it out until it’s barely damp.

Blot the stains. Do not rub. Rubbing memory foam is like rubbing wet bread—it just crumbles.

For sweat stains: It smells like old gym socks. I know. Use a 50/50 mix of water and white vinegar. It will smell like a salad for an hour, but the sweat smell will vanish.

Step 3: The Deodorize (The Blizzard Method)

If the pillow just smells stale, skip the water. Water is the enemy here.

Cover the entire pillow in baking soda. I mean bury it. It should look like a snowy day. Leave it for at least 4 hours. Preferably in the sun. The sun is a natural disinfectant (and it’s free). Vacuum it off later. The smell goes with the powder.

Shredded Foam: The Exception That Still Sucks

You might think, “Hey, my pillow is shredded foam, so it can’t tear, right?” Wrong.

While the foam is already in pieces, the clumping is the nightmare. I tested this on a bamboo-cover shredded memory foam pillow. I tossed it in the wash. The result? A hard, lumpy baseball of foam in one corner of the case. The drying process took 3 days. By the time the center was dry, the outside smelled like mildew.

If you have a shredded foam pillow:

1. Take the foam OUT (if the case has a zipper).
2. Wash the case.
3. Let the foam air out in a bin.
4. Put it back.

Do not wash the foam chunks. You will regret it.

Drying: The Long Haul

This is the part everyone messes up. Memory foam holds water like a camel.

• No Dryer: High heat melts memory foam. It gets sticky and brittle.
• Air Dry Only: Lay it flat on a drying rack.
• The Fan Trick: Point a box fan directly at it.

It might take 24 hours. Maybe 48. If you sleep on it while it’s damp, you invite mold. That brings us to safety.

FAQ: I Know You Still Want To Try It

1. Can you put memory foam pillow in washing machine if I use the “Hand Wash” setting?
No. Even the “Hand Wash” cycle spins. The spin is what kills the pillow. Plus, the machine can’t rinse the soap out of the dense foam effectively. You’ll be sleeping on dried detergent residue.

2. What if I put it in a mesh bag?
The mesh bag stops the surface from snagging, but it doesn’t stop the G-force. The weight of the water inside the foam will still cause it to rip itself apart during the spin.

3. Can I steam clean memory foam?
Maybe. But be careful. High heat can damage the cellular structure of the foam. If you keep the steamer moving and don’t soak it, it’s better than the washing machine.

4. How often should I clean it?
Wash the case weekly. Do the baking soda trick monthly. Do the spot clean only when you spill something or drool excessively (we all do it).

5. My pillow says “Machine Washable.” Is it lying?
If it is 100% solid memory foam? Yes, it’s probably lying or referring to the cover. If it is a “memory foam alternative” or fiber-fill blend, then maybe. Always check the tag, but trust your gut. If it feels like a sponge, keep it out of the washer.

Final Thoughts from a Tired Researcher

I know you wanted me to say “Sure, toss it in with some vinegar and hit start.” I want that too. I hate scrubbing things by hand. But I hate buying new pillows more.

Now, go get the vacuum.