May 27, 2007
Can I Wash My Memory Foam Pillow?
In a word, “no.” Well actually you can wash it, but then you won't want to use it again. You see, memory foam is made of thousands of tiny polyurethane bubbles all stuck together, and these little bubbles have an open cell structure. That means that the walls of each bubble are full of holes, like a wall in a house with windows and doors.
So when water, or any liquid, gets on a memory foam pillow, it soaks right into all the thousands of little holes in the cell walls. Each cell wall allows water to pass into its cell. The cells fill up, but because of the way water works (a thing called surface tension), the water kind of sticks inside each little cell. It’s nearly impossible to dry. The water will stay inside the cells for days, weeks maybe.
By the time your pillow dries out, stuff will have started to grow inside, and then you won’t want to sleep on it any more. Even if there was no problem with drying a memory foam pillow, they are impractical to wash. A washing machine and dryer tear up memory foam.
I washed a 24” x 24” x 2” sample of memory foam, just as an experiment, and it was a mess. Most of it came through in tact, but a bunch of it tore into dozens of small pieces. The foam did not fare any better in the dryer; it tore into many pieces there as well.
If you have a small spill on your memory foam pillow, try spot cleaning. But to guard your pillow from spills and ensure that it will last for many years, a better solution is to be proactive and get a waterproof memory foam pillow protector.
Topics: Blog, Memory Foam, Pillows.Written by Will Robertson





Comments on Can I Wash My Memory Foam Pillow? »
The Beauty of a Body Pillow for the Pregnant Woman @ 12:43 am
[…] closed cell memory foam is simply the most versatile, comfortable, and durable pillow material in the world. The thousands of tiny memory foam cells cushion joints relieve pressure by […]
Art Harmon @ 12:25 pm
am disappointed to learn that my memory foam pillow is unwashable. This is a huge limitation and means it a very expensive disposable pillow. Natural body oils have absorbed into it and now its uncleanable? Is there any non water based way to get this clean? Perhaps a solvent based cleaning system such as dry cleaning? I'll wait for the answer before throwing away this pillow and replacing it with a convenetional one. Also I was on my way to buy a mattress topper until I read this. The idea of a waterproof protector pretty much sounds like sleeping on a unbreathable sheet of plastic. Sorry for the candor here but this seems an overcomable objection.
Bev @ 11:48 am
I agree. I read (but haven't tried it yet) that you can wash it outside by hand with a hose and some light soap with no oil, or perhaps even vinegar and baking soda, then let it air dry for a couple days. Good luck!
Su @ 9:15 am
I have now tried to wash my pillow in a front-loading washing machine. It had absorbed natural oils. i have a front-loading washer. I began washing it on delicate and put the majority of the laundry detergent (all small and mighty) directly on the most soiled part of the pillow. A few minutes into the cycle, I took it out and THOROUGHLY rinsed it with warm water via a long shower hose in the bathtub. Then came the hard part — trying to get all the water out of it. I went through no less than 10 bath towels (after trying to get out all the water I could in the bathtub).
I tried to dry it for a few moments (less than a minute). I would not try to dry it for any longer because the pillow will tear apart. What I would do to attempt to dry it is roll it in towels, like you would a sweater, and then wrap it in dry towels and just sit on it to try and compress out all of the water. Right now, my pillow is air-drying the rest of the way. I think it will be okay.
In all total, it took me well over an hour and a half to try to wash it, but it was time well-spent if I don't have to buy another pillow.
I hope that helps, Art!
Lala @ 11:09 am
It's not quite as satisfactory as washing, but I've deodorized and maybe sanitized my husband's stinky pillow.
I used two things: sunshine and about a dollar's worth of cheap vodka, applied with a clean washcloth. Vodka is great for disinfecting things that can't be rinsed, as it evaporates quickly, and is odorless and non-toxic when dried.
I got the washcloth wet but not dripping and laid it flat and pressed it into the surface of the pillow repeatedly, moving around and re-wetting the washcloth as necessary, and test-smelling until I was satisfied the stink was gone. Then I put the pillow outside in the hot sun.
George Pellington @ 7:27 pm
I've been able to keep my memory foam pillows clean and fresh by using some basic steps by using disinfectant sprays and vinegar. It is a bit touchy to use water, but as long as your don't get the foam damp, you're good to go.
maria @ 3:43 pm
Wow. Vodka. Now that sounds like a bargain. But since vodka has water in it. Wouldn't it be water too and thus stay in the memory cells and ruin it anyway with the possiblility of bacteria and fungus growing inside. I really need to wash both me and my husbands memory foam cuz they doooo stink. It's been over 15 months since we've had ours. Anyway vinegar. Somebody said to use vinigar? I don't want to experiment on a $60 pillow to just throw it away. I think I'm just going to Fabreeze it lightly and hope the smell goes awaay…
Lisa Dupuis @ 11:02 pm
I've washed and dried mine more than once in my front loader with bleach and they are fine. Perhaps it is the brand (Isotonic) ? The pillows I have, have a removable pillowcase over them that I do not remove when washing. I also add a large towel to help (in my minds thinking) lol suck up the humidity/water… Maybe thats the key… Not sure but I def washed and dried mine and all is well.
The first time it was hot out so I allowed it to dry outside. The second time I put it right in the dryer and just kept and eye on it every 10-15 minutes.
Hope that helps! OX
Betty @ 10:17 pm
My cat peed on my pillow while I was away for a weekend. Faced with trowing out the pillow of maybe damaging it by washing it, I put it in the front loader on hand-wash cycle with extra rinse, on cold. It does hold onto the water, and the spin cycle aborted as unbalanced (maybe it would have done better with a couple of towels added to the load. But it came out with only one small tear and NOT smelling like cat pee. As for the trapped water, I will try a no-heat tumble in the dryer with a couple of dry towels and with a clean zipper case on the pillow. Still beats throwing it in the trash!
Tracie @ 3:10 pm
You could always dry clean your memory foam pillows.
wonder boy @ 8:51 pm
after washing dry in your dryer on the shoe rack if your dyer came with one!!!! works well no issues!!!
cheers
Just the right size pillow | All Boat Business @ 7:35 pm
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Hannah @ 10:31 pm
I haven't tried it but I wonder if washing it in a dishwasher would work….
Bessie @ 8:41 am
I have 3 memory foam pillows. Twice a year, I put each pillow in laundry net bags and wash them in a front-loading washer @ normal/hot setting. I then air-dry them for a few days. I've already done this 3x and my pillows are still fine.