Prep first
Before you start
- Identify where the mark is and how it appeared before you pick a product.
- Vacuum or dry-brush any powdery deposit first.
- Test any product on a hidden spot before you use it on the mark.
White marks on a mattress are often mineral residue or leftovers from deodorant and detergent, and the fabric makes them harder to treat than a hard surface. Liquid sinks deep into the layers, and excess wetness can break down memory foam, so every pass has to stay light. A recent mark often lifts with a damp cloth, while an older patch that has soaked through may need an upholstery cleaner.
Keep the cloth barely damp and let the patch dry fully before you lie on it, since trapped moisture is what makes things worse. When you're dealing with white stains on bed fabric, a memory foam mattress needs even less liquid than a sewn-in cover. A musty or fuzzy patch that won't dry out is your cue to stop and call a professional.
Before you start
What mattress can take
Use with care4
- Water
- Oxygen bleach
- Enzyme cleaners
- Acids (vinegar, lemon)
Avoid4
- Hot water
- Soaking
- Chlorine bleach
- Solvents (alcohol, spot removers)
7 items
What you'll need
Tap an item to get it on Amazon, or tick what you already have.
- Dry towelBlots up a damp spot before anything else touches it.
- Vacuum with a brush attachment, or a dry brushLifts powdery deposits without wetting them. (opens Amazon)
- Mild soapThe cleaner for marks that aren't powdery. (opens Amazon)
- Cold waterKeeps you on the safe side, because hot water can set protein stains.
- Enzyme cleaner or liquid laundry detergentFor blood or urine, applied sparingly. (opens Amazon)
- White vinegarUsed in the urine rinse. White only, since colored vinegar can leave a stain. (opens Amazon)
- Baking sodaLifts lingering odor once the mattress is dry. (opens Amazon)
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7 steps
Step by step
Step 1 of 7
Check the care label first
Read the mattress care label or the maker's website before you start, because it tells you what the cover can take. If the label says nothing about liquids, treat the mattress as one that must not get wet.
Step 2 of 7
Strip the bed and vacuum powder
Strip off all bedding and covers so the mattress surface is fully exposed. If the spot is damp, blot it with a dry towel first. Then vacuum or dry-brush any powdery deposit, so it isn't pushed into the fibers with liquid.
Careful. Never remove or wash a cover that isn't designed to come off, because it voids the warranty.
Step 3 of 7
Blot the mark with mild soap
Skip this step for powdery marks, since water only hides them for a while. For any other mark, lightly apply mild soap and cold water, blotting as you go.
Tip. Work from the edge of the mark toward the middle so the moisture doesn't spread.
Step 4 of 7
Treat biological marks with enzyme
If the stain looks biological, such as blood or urine, apply an enzyme cleaner or liquid laundry detergent, used sparingly. Blot it in rather than rubbing, so the cleaner stays on the mark.
Step 5 of 7
Rinse urine with vinegar
If the mark is urine, sponge it with a detergent solution first. Then rinse it with a white vinegar solution, using white vinegar only.
Careful. Never mix vinegar with chlorine bleach or ammonia.
Step 6 of 7
Let the mattress dry completely
Let the area air dry completely before you remake the bed, because leftover moisture encourages mold and mildew. If the mattress got wet from a leak, dry it within 24 to 48 hours to prevent mold growth. Start in the morning so it has time to dry through the day.
Tip. Check with the back of your hand; the spot should feel dry all the way through.
Step 7 of 7
Lift leftover odor with baking soda
Once the area is dry, sprinkle baking soda on any lingering odor and leave it from 20 minutes to an hour. For strong odors, leave it up to five hours, then vacuum it up.
If you'd rather buy than mix
Best products for white marks on mattress
Pick an enzyme cleaner or liquid laundry detergent for biological marks, and use it sparingly. For other marks, mild soap is all the cleaning you need.
Rug Doctor Spot & Upholstery Cleaner
BISSELL Little Green Portable Carpet & Upholstery Cleaner
Utopia Kitchen White Flour Sack Towels
Empty Spray Bottles 16oz/4Pack
How we picked these: each product is made for this type of stain, its maker doesn't warn against using it on mattress, and its directions fit the steps above.
Finished the steps? How does it look?
Nice work. Let it dry completely and check it again in good light before using any heat. Here is what done looks like:
How to tell it's really gone →A faint mark usually needs one more round, not a stronger product.
Heavy buildup usually takes more than one round.
Heavy or long-standing buildup →When to call a professional →How to tell it's working
A residue mark should fade a little with each blot, and the fabric should feel the same as the rest of the mattress once it's dry. Wait for the spot to dry all the way through before you decide, since damp fabric always reads darker than the rest of the bed. If it still looks chalky or crusty after drying, it has set in rather than sitting on the surface.
What changes for yours
Adjust for your mattress
Memory foam mattress
Memory foam needs the lightest touch, because excess moisture can break down the foam. Keep the cloth barely damp and blot the mark rather than pressing liquid in.
If the mark has gone deep into the foam, don't keep adding liquid to chase it. Let it dry completely, then move on to the options for stubborn marks.
Sewn-in cover
If the cover is sewn on, it can't come off, so you work through the top fabric without pulling it loose. Keep the liquid to a minimum and blot from the outside of the mark inward.
Because you can't remove the cover, skip the enzyme cleaner unless the mark is clearly biological. Let it dry completely before you judge the result.
Musty or fuzzy patch
A fuzzy, musty or spreading patch may be mold rather than a deposit, and it needs a different approach. Dry the area completely first, since leftover moisture encourages mold and mildew.
If mold covers more than 10 square feet, follow professional remediation guidance rather than cleaning it yourself. For a smaller patch, stop wetting it and let it dry fully before you check again.
Residue from deodorant or detergent
A white mark from deodorant or undissolved detergent is residue, so it needs gentle loosening, not wetting. Work with cold water, and blot gently so the residue lifts rather than spreads.
Once the residue lifts, blot the area with mild soap and cold water and let it dry fully before you remake the bed.
Heavy or long-standing buildup
An old white mark may not lift in a single pass, especially if it has been sitting in the mattress for a long time. Work through the steps again once the area is fully dry, rather than wetting it repeatedly.
If the stain persists, the next step is a white vinegar solution, blotted on sparingly and tested on a hidden spot first. If it still shows after that, a professional upholstery cleaner is the stronger option.
Some marks don't come out, and that's the honest answer. A mattress cover is the best way to avoid staining in the first place, so a cover or protector is worth it for the next one.
Vinegar, baking soda, peroxide and more
Do home remedies work on white marks on mattress?
Most home remedies for white marks are built for other surfaces, so only a few belong on a mattress. Mild soap, cold water and, for urine or blood, an enzyme cleaner are the options that fit a mattress.
Works2Skip3Avoid1
Chemical safety
Never mix these
Some products in this guide react dangerously with each other. Use them one at a time and rinse with water in between.
Enzyme cleaner + Vinegar
Some enzyme and pet stain removers' makers say not to mix them with vinegar or acidic cleaners, or with other household chemicals.
If they mix by accident: Don't use the mixture; ventilate the room and avoid breathing fumes or touching it; call Poison Control at 1-800-222-1222 for disposal advice or if anyone feels unwell.
What makes it worse
Mistakes to avoid
Don't wet a powdery white mark
Water only hides efflorescence for a while, so wetting a powdery mark just delays the problem. Brush or vacuum the powder off dry first, then decide whether the mark still needs soap.
Don't heat a deodorant mark
Never iron or apply heat to a deodorant mark, even when you want the area to dry faster. Brush off any dry residue and work with cold water instead.
Don't pull off a cover that isn't made to come off
Many mattress covers are sewn on, and taking one off to wash it can void the warranty. Blot the mark through the fabric with a cloth instead, and check the care label before you unzip anything.
Don't reach for an enzyme cleaner on a white residue
Enzyme cleaners are made for biological marks such as urine and blood, not mineral or deodorant film. Using one anyway just adds moisture and time, so identify the mark before you pick a product.
Don't use a dry-cleaning product to speed things up
Dry-cleaning products and spot removers can harm the fabric and the padding underneath. Stick to cold water, a little mild soap and a clean cloth, and let the mattress do the rest with time.
When to call a professional
Bring in an upholstery cleaner when a white mark has resisted two careful rounds or has spread deep into the padding. Tell them it's a white residue, how long it has been there and what you've already applied, so they don't repeat it. If a leak or flood soaked the mattress, don't wait, because mold can take hold quickly unless the padding dries out inside a day or two.
Questions
Are white marks on a mattress always mineral deposits?
Not always. Most are mineral deposits or residue, such as from deodorant or undissolved detergent, but some are damage rather than deposits and can't simply be washed off.
What if the mattress got wet from a leak or flood?
Water-damaged items should be dried within 24 to 48 hours to prevent mold growth. If the water was contaminated, call a professional experienced with contaminated-water damage before you clean it yourself.
How do I know if a mark is biological?
Blood and urine are the usual examples, and they respond to an enzyme cleaner or liquid laundry detergent. If you can't tell what the mark is, start with the mild soap and cold water step instead.
Can I use vinegar on a white mark that isn't urine?
The vinegar rinse is for urine only. For other white marks, stick to mild soap and cold water, and use white vinegar only if you use vinegar at all.
Will this mark disappear completely?
It depends on the cause. Deposits and residue often lift, but marks that are damage rather than deposits can't be washed off. Give the steps one full pass after the area has dried before you decide whether it's permanent.
How long should a mattress dry after a white mark is treated?
Until it's dry all the way through, which usually means most of a day, so start in the morning when you have time. Keep the sheets off the spot while it dries, since trapped moisture is what encourages mold and mildew. Water that soaked in should be dried out within a day or two to keep mold from taking hold.
Can I take the cover off the mattress to wash the white mark?
Only if the cover is made to come off, and many aren't built that way. Removing one that isn't designed for it can void the warranty, so check the care tag first. If it's sewn on, blot the mark through the fabric with a damp cloth instead.
What can I do about a smell left behind by the mark?
Once the spot is fully dry, cover it with baking soda and let it sit anywhere from twenty minutes to an hour, longer for a strong smell, before you vacuum. If the odor comes from urine or blood, use an enzyme cleaner sparingly before the baking soda step.
White Marks on other materials
Other stains on mattress
Start from the bigger picture
How we know this
Every method, amount and warning here comes from university extension services, industry bodies and product makers. We read them, check every step for unsafe combinations and changed amounts, and write it up so you can follow it.