How to Clean Your Mattress Using Stuff You Already Own (No Judgment)

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Thinking about cleaning your mattress is like thinking about what’s living in your pillow: deeply unsettling but necessary. Fresh sheets are great, but they don’t stop dust mites, dead skin, and mystery allergens from throwing a party underneath. The good news? You don’t need a pro to evict them. A few basics from your cabinet will do the trick, and the DIY route is faster and cheaper than booking a service. We asked Missy Tannen, founder and head of design at Boll & Branch, to walk us through it.

Your mattress is basically a giant sponge for everything your body drops on it, Tannen reminds us. Sweat, stains, and random debris team up to create odors that make bedtime less dreamy. In extreme cases, inhaling the buildup can even make you sick. Beyond the gross-out factor, regular cleaning helps your mattress live longer—ignored bacteria and spills can break down the materials, sending you mattress shopping way sooner than your budget would like.

Some pros say every six months, but Tannen likes to sync mattress cleaning with the seasons. ‘When you’re swapping out heavy winter layers for lighter spring bedding, that’s your cue,’ she says. A quarterly refresh is easy to remember and stops dirt from settling in even when there’s no obvious stain—especially important if your bed doubles as your office, dining table, and movie theater.

The second you spill coffee, wine, or last night’s ice cream, jump into action. The longer a spot sits, the deeper it burrows into the layers. Blot—don’t rub—with a clean washcloth to soak up as much as possible before it becomes a permanent memory.

If your mattress is beyond saving, here are some Domino-approved replacements:

Pull off everything: pillowcases, sheets, comforter, mattress protector, and that mattress topper you bought during a sleep-deprived impulse buy. Stash them in a clean, dry spot while you deal with the main event.

A sparkling mattress under grimy sheets is like showering before a muddy hike. While the mattress airs out, send every bit of bedding through the washer so the whole bed feels like a hotel.

Inspect the mattress like a crime scene: stains, smells, and mysterious discolorations, one at a time. Lightly mist a clean rag with cold water and gently dab the spot—no aggressive rubbing, unless you want to make it worse. Water alone often works, but for stubborn marks, add a few drops of detergent to a fresh rag and blot until it surrenders. Never dump detergent straight onto the mattress or soak the rag. ‘You need the damp spot to dry fully, or you’ll trade a stain for mildew,’ Tannen warns.

Grab your vacuum with the upholstery attachment and hold it just above the surface so the suction can inhale dust, crumbs, and whatever else has taken up residence. Let the machine do the work instead of grinding the nozzle into the fabric—you’re cleaning the mattress, not sanding it.

Recruit a kind friend (or bribe one with snacks) and carefully prop the mattress against a wall. Spot-clean the underside if needed, then vacuum the bottom and sides. While you’re at it, run the vacuum along the bed frame edges where dust bunnies love to hide. Lower the mattress back down gently—and maybe thank your friend with coffee.

Dust a thin layer of baking soda across the top and let it sit for a few hours to absorb odors and leftover moisture. Then vacuum it up thoroughly, because nobody wants to wake up covered in what looks like powdered sugar.

Before you celebrate, Tannen insists on a mattress protector—ideally organic cotton, so you’re shielded from mess without extra chemicals. It lives under your fitted sheet and blocks dust mites, bedbugs, and future spills. Think of it as insurance for your mattress, potentially adding years to its life and saving you from another major purchase.

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