How Do You Wash a Mattress? Simple Steps for a Fresher Bed

If you’re wondering “How do you wash a mattress?”, you’re not alone. Mattresses can’t just be tossed in the washing machine, but they still collect sweat, dust, and the occasional spill. The good news: with a few basic tools and the right method, you can clean and refresh a mattress at home without damaging it.

Below, you’ll find clear answers to common questions about washing and caring for your mattress.

Can You Actually Wash a Mattress?

You can’t fully wash a mattress with water the way you would wash clothes or bedding. Mattresses are made of foam, fabric, and internal layers that can be damaged or grow mold if they get soaked.

Instead, when people ask “How do you wash a mattress?”, what they usually need is a surface clean and deep refresh, which includes:

  • Removing dust and crumbs
  • Spot-cleaning stains
  • Neutralizing odors
  • Letting the mattress dry and air out

Key idea: Think of it as cleaning and sanitizing the surface, not immersing the whole mattress in water.

How Do You Wash a Mattress Step by Step?

Here is a simple, mattress-safe routine most sleepers can follow:

1. Strip the Bed and Let the Mattress Air

Remove all sheets, pillowcases, and protectors. Wash them according to their care labels. While they’re in the wash, let the bare mattress air out for a few minutes to release trapped odors.

2. Vacuum the Surface Thoroughly

Use a vacuum with an upholstery attachment to remove dust, hair, and debris.

  • Go over the top, sides, and seams
  • Pay attention to tufts, quilting, and edges where dust can collect

This step helps keep the mattress cleaner and can make the next steps more effective.

3. Spot-Clean Stains (Without Soaking)

For most stains, a small amount of gentle cleaning solution works best. Always check your mattress care tag first.

General approach:

  1. Mix a small amount of mild liquid detergent with cool water.
  2. Dip a clean cloth into the solution and blot the stain (don’t scrub hard).
  3. Use a second cloth dampened with plain water to blot away soap residue.
  4. Blot again with a dry towel to remove as much moisture as possible.

Use as little liquid as you can. Over-wetting a mattress can cause damage or lingering odors.

4. Deodorize the Mattress Surface

To freshen the mattress:

  • Lightly sprinkle baking soda over the top surface.
  • Leave it on for at least 30–60 minutes; some people prefer a few hours.
  • Vacuum the baking soda thoroughly.

This step can help reduce common mattress odors and make the bed feel more refreshed.

5. Let It Dry Completely

After spot cleaning, allow the mattress to dry fully before making the bed again.

You can:

  • Open windows for air circulation
  • Use a fan to move air across the surface

Avoid putting sheets back on a damp mattress, as trapped moisture can lead to problems over time.

How Often Should You Wash or Clean a Mattress?

While you don’t need to deep clean a mattress every week, regular care helps it stay fresher longer.

A simple guideline:

  • Light refresh (vacuum + air out): Every 1–3 months
  • Spot cleaning: As soon as spills or stains occur
  • Deeper clean (vacuum, spot clean, deodorize): About twice a year, or as needed

Using a mattress protector can reduce how often you need deeper cleaning by acting as a barrier between you and the mattress.

What Should You Avoid When Washing a Mattress?

When learning how to wash a mattress, it’s just as important to know what not to do.

Avoid:

  • Soaking the mattress with water or cleaner
  • Steam cleaning if your mattress care label advises against it
  • Harsh chemicals or bleach that may damage fabrics or foams
  • Scrubbing aggressively, which can push stains deeper

When in doubt, start with the gentlest method and check your mattress’s care instructions.

Does the Mattress Type Change How You Wash It?

Yes, different mattress types may have slightly different care needs.

  • Memory foam or foam mattresses: Especially sensitive to moisture. Keep liquids to a minimum and never saturate the foam.
  • Hybrid or innerspring mattresses: Often a bit more forgiving, but still should not be soaked.
  • Pillow-top surfaces: Pay extra attention to seams and quilting when vacuuming and spot cleaning.

Always read the care tag or manufacturer guidance before using steam, strong cleaners, or heavy moisture on any mattress type.

Can You Prevent Stains and Odors in the First Place?

You can reduce the need to ask “How do you wash a mattress?” by focusing on prevention:

  • Use a removable, washable mattress protector
  • Clean up spills as soon as they happen
  • Allow the mattress to air out when you change sheets
  • Avoid eating or drinking heavily colored beverages in bed

Small habits like these keep cleaning simpler over the long term.

✔️ Quick Mattress Takeaways

Key points consumers should understand about “How Do You Wash a Mattress”

  • You cannot machine wash or soak a mattress; focus on surface cleaning.
  • Vacuuming, spot cleaning, and deodorizing are the core steps.
  • Use minimal moisture and gentle cleaners to avoid damage.
  • Let the mattress dry completely before putting bedding back on.
  • Clean lightly every few months, and more deeply once or twice a year.
  • A mattress protector can greatly reduce stains and cleaning effort.

With a thoughtful routine and gentle products, you can keep your mattress cleaner, fresher, and more comfortable for everyday use.