How to Clean a Travel Pillow 2026: Remove Odors Safely

Last Updated on July 2, 2026 by Daniel Globe

A smelly travel pillow is one of the fastest ways to ruin an otherwise great trip. The good news: most sweat odor comes out with a combination of airing, baking soda, and a careful hand wash — no special products required. Here’s exactly how to do it without damaging your pillow’s foam or filling.

Why Does Your Travel Pillow Smell?

If you’ve noticed an unpleasant odor coming from your travel pillow, you’re not alone. Over time, your pillow absorbs sweat and body oils, which creates a breeding ground for bacteria. Materials like memory foam or microbeads trap moisture and scent more than traditional pillow fill, and poor ventilation during travel — stuffed in a bag or pressed against a headrest — traps humidity and intensifies the smell. Regular pillow hygiene matters here: sweat that’s left to sit can gradually break down foam and fabric, affecting both comfort and lifespan.

Know Your Pillow Type Before You Clean

Before you do anything else, check the care tag. Travel pillows are typically memory foam, microbead, inflatable, or buckwheat hull, and each reacts differently to water, heat, and sunlight:

• Memory foam: should not be machine washed or dried, and should stay out of direct sun and high heat, since machine agitation and heat can damage the foam and cause it to lose support.
• Microbead: generally spot-clean only — submerging can trap water inside the beads and encourage mold.
• Inflatable: wipe down with a damp cloth and mild soap; never submerge the valve area.
• Buckwheat hull: remove and air out the hulls separately; wash only the cover.

Initial Steps to Remove Odors From Your Travel Pillow

To tackle the odors lingering in your travel pillow, start by letting it air out in a well-ventilated, shaded space for two to three days. This alone dissipates a surprising amount of persistent sweat smell. Then:

1. Sprinkle baking soda generously over the pillow and let it sit for several hours — up to 24 hours for stronger odors — before brushing or vacuuming it off.
2. If your pillow has a removable cover, wash it separately on a gentle cycle with cold water and mild detergent.
3. For pillows without removable covers, gently wipe the surface with a damp cloth and mild soap.
4. Air out your pillow after every use to keep odors from building up in the first place.

How to Use Sunlight for Natural Odor Removal (Non-Foam Pillows)

Sunlight and fresh air can help freshen an inflatable, microbead, or buckwheat-style travel pillow — but it’s not the right move for memory foam. For suitable pillows, place them outside in indirect-to-moderate sunlight for a few hours to a day, in a well-ventilated area, flipping occasionally for even exposure. Sprinkling baking soda on the pillow beforehand adds extra odor absorption.

Using Baking Soda to Remove Odors From Your Travel Pillow

Baking soda (sodium bicarbonate) is genuinely useful here, but it’s worth understanding what it actually does: it’s a mild base that reacts with acidic, sweat-related odor compounds and converts them into odorless compounds, releasing carbon dioxide and water in the process. It doesn’t kill the bacteria causing the smell, so pair it with the washing steps below rather than relying on it alone. To use it:

1. Sprinkle a generous, even layer of baking soda over the pillow.
2. Let it sit for several hours — the stronger the odor, the longer it needs, up to 24 hours for deep-set smells.
3. Gently shake, brush, or vacuum off the baking soda.
4. Repeat if needed, or combine with airing out in a well-ventilated space.

Always make sure your pillow is completely dry before storing or using it again. This prevents mildew and keeps odors from coming back.

Hand Washing Techniques for Deep Cleaning

For a deeper clean, hand washing lifts stubborn sweat odors without the damage a washing machine can cause.

Proper Washing Techniques

1. Fill a large basin with lukewarm water and a small amount of mild detergent (roughly one tablespoon per gallon of water).
2. Submerge the pillow — if the care tag allows it — and gently squeeze and massage it to work the suds through, avoiding twisting or wringing.
3. Drain the soapy water, refill with clean water, and rinse thoroughly until the water runs clear and no soap residue remains.
4. Gently press out excess water without twisting, then lay the pillow flat in a shaded, well-ventilated area to dry for up to 24 hours before use.

Effective Rinsing Methods

Leftover detergent is one of the most common causes of a pillow smelling “off” again soon after cleaning, so rinse until the water runs completely clear. Switch from your wash water to fresh, clean lukewarm water and repeat the gentle squeeze-and-rinse cycle two or three times. Avoid soaking memory foam longer than necessary, since prolonged water exposure can affect its structure.

How to Properly Dry and Maintain Your Pillow

1. Dry your pillow in a cool, shaded, well-ventilated space — not in direct sunlight or near a heat source.
2. For memory foam, skip the dryer entirely and let it air dry flat for up to 24 hours; a fan or a hairdryer on the cool setting can speed things along.
3. Before washing any cover, zip up zippers and fasten clasps to help it keep its shape.
4. Between deep cleans, sprinkle baking soda on the pillow every few weeks, let it sit for a few hours, then brush or vacuum it off.
5. When packing your pillow away between trips, make sure it’s fully dry and store it in a breathable bag rather than a sealed plastic one, to avoid trapping residual moisture.

When to Replace Your Travel Pillow

Travel pillows don’t last forever, and a pillow’s usable life varies quite a bit depending on its material and how often it’s used — foam and filled pillows generally hold up for a year or more of regular travel before support starts to fade. Watch for these signs it’s time to replace yours: persistent odor that cleaning can’t eliminate, visible wear like lumps, tears, or flattened areas, and a pillow that no longer bounces back into shape after washing. Increased allergy symptoms or discomfort while using it can also signal that allergens or bacteria have built up beyond what cleaning can fix.

Frequently Asked Questions

Can I use essential oils to mask the smell?

Yes. Add a few drops to a cotton ball and tuck it inside the pillowcase, or mix the oil into baking soda before sprinkling it on — this scents the pillow without soaking foam in liquid.

Is it safe to machine wash my travel pillow?

It depends on the fill. Removable fabric covers are usually machine washable on a gentle cycle. Memory foam and most microbead cores should not go in the washer or dryer, since agitation and heat can damage the foam. Always check the care tag first.

How often should I clean my travel pillow?

A light baking-soda refresh every few weeks and a deeper clean every three to six months keeps most travel pillows fresh without overexposing them to water.

What materials are best for odor-resistant travel pillows?

Breathable fabric covers paired with foam or fill that allows airflow reduce moisture buildup, which is the main driver of odor. A removable, machine-washable cover also makes upkeep much easier.

Can sweat stains be removed effectively from my pillow?

Often, yes. A paste of baking soda and a little water, gently worked into the stain and left for a few minutes before rinsing, can lift many sweat stains. Test on a small hidden area first if you’re unsure how the fabric will react.

Conclusion

In the battle against sweat smells, you’ve got several effective, low-cost strategies: airing out, baking soda, and a careful hand wash. The key is matching the method to your pillow’s material — sunlight and the washing machine work for some fills but can damage memory foam. Check the care tag, give the pillow time to fully dry before storing it, and a quick refresh every few weeks will keep your travel pillow smelling clean trip after trip.

Sources

1. Sleep Foundation — memory foam washing and drying guidance
2. Puracy — why memory foam shouldn’t be machine washed or sun-dried
3. The Company Store — spot cleaning vs. machine washing by fill type
4. McGill Office for Science and Society — the chemistry of how baking soda neutralizes odor
5. BedMart — hand-washing and drying steps for foam pillows