How do I clean a memory foam mattress topper without damaging it?

Memory foam toppers cannot be soaked. Use minimal water for spot cleaning only: blot spills, dab with a mild detergent solution, rinse with a damp cloth, then blot dry and air-dry fully before using again.

What is the best way to remove odours from a mattress topper?

Sprinkle a light layer of baking soda over the surface, leave it for several hours or overnight, then vacuum it up using a soft upholstery nozzle. This neutralises odours without harsh chemicals.

How often should I vacuum my mattress topper?

Vacuum the topper monthly with a soft upholstery nozzle to remove dust, skin flakes and pet hair. Regular vacuuming also helps reduce allergens.

When should I consider professional cleaning for my mattress topper?

Professional cleaning is a sensible choice for large or set-in stains, heavy soiling, or if the topper is wool or feather-filled. In South Africa, a one-off session typically costs an estimated R300-R900, depending on location and service.

How to clean and maintain a mattress topper: simple steps for longer life

Learn practical, South Africa-friendly ways to clean, deodorise and care for your mattress topper. Simple steps, material-specific tips and when to call a pro.

Published:May 18, 2026

Updated:September 8, 2026

5 min read

Photo by Liliana Drew on Pexels

Start with protection

Use a mattress protector to block spills, allergens and reduce cleaning needs.

Why caring for a mattress topper matters

We spend a large part of our lives sleeping, and a mattress topper keeps that surface comfortable and protective. Regular care helps keep allergens and odours away, preserves support and saves you money by delaying replacement. This guide walks through routine cleaning, deeper refreshes, and day-to-day maintenance so you can look after your topper with confidence.

Know your topper: materials and washing labels

Before you do anything, check the care label. Toppers come in a few common fillings - memory foam, latex, feather, wool and fibre - and each needs different handling. If the label is missing, try to identify the material by feel (memory foam is dense and springy; feather toppers are soft and floppy). When in doubt, treat it gently and avoid soaking. For removable covers, follow the cover’s instructions; many covers are machine-washable.

Quick daily and weekly habits

Use a mattress protector or removable cover to block spills and dust - this is the easiest way to reduce cleaning needs. See our range of mattress protectors and base covers for options and sizes: Mattress Protectors & Base Covers.
Air the topper for 30-60 minutes on bright, dry days. Lean it on its side or lay it flat near an open window to release trapped moisture and light odours.
Vacuum the topper monthly using a soft upholstery nozzle to remove dust, skin flakes and pet hair.

Spot cleaning - fast and safe

Accidents happen. For small spills or stains act quickly:

Blot liquids with a clean towel - don’t rub; rubbing pushes liquid deeper.
Make a mild cleaning mix: a teaspoon of gentle detergent in 1 litre of cool water. Lightly dab the stain with a cloth dampened in the solution.
Rinse by dabbing with a cloth dampened in plain water, then blot dry. Let the topper air-dry fully before returning bedding.

Care note: Memory foam and latex can’t be soaked. Use minimal water and aim for surface cleaning only. For feather or wool toppers, spot-clean gently and consider professional cleaning for larger stains.

When to wash covers and removable toppers

If your topper has a removable cover, most covers are safe in a washing machine on a gentle cycle - check the label. For whole toppers that are machine-washable (usually fibre-filled or thin polyester toppers), use a large-capacity washer on a gentle cycle and cool water. Dry thoroughly on a low heat or line-dry until completely dry to avoid mildew.

Helpful resources

If you’re refreshing other bedding items at the same time, our bed linen section has guides and products to match different sleepers: Bed & Linen. For deeper reads on bedroom care, try the related articles in our knowledge hub: Bed & Bath articles.

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Deeper cleaning and special cases

Some situations need a stronger approach: persistent odours, large stains, pet accidents, or allergy concerns. Here’s how we handle those carefully and safely.

Deodorising and allergen control

Sprinkle a light layer of baking soda across the surface, leave for several hours (or overnight) and vacuum it up. Baking soda helps neutralise odours without harsh chemicals.
If allergies are a concern, combine regular vacuuming with a breathable allergen-barrier protector. You can explore breathable protectors and fitted options in our shop for better protection: Mattress Protectors & Base Covers.

Professional cleaning and when to consider it

For large or set-in stains, heavy soiling, or if the topper is wool or feather-filled, professional cleaning can be a sensible choice. In South Africa, a one-off professional upholstery or mattress cleaning session for a topper is typically an estimate of around R300-R900 depending on location and service - note this is an estimated range and prices vary.

Drying, storage and seasonal care

Always make sure the topper is completely dry before storing. Damp storage invites mildew. For off-season storage:

Vacuum and wrap in a breathable storage bag - avoid airtight plastic for long-term storage as it traps moisture.
Store flat if possible, or rolled for memory foam (follow manufacturer guidance). Avoid heavy stacking on top which can compress fill permanently.
Rotate or flip toppers every 2-3 months to even out wear, unless the product is one-sided (follow the care label).

When to replace your topper

A well-cared-for mattress topper can last several years, but signs it’s time to replace include permanent lumps or impressions, a persistent smell after cleaning, or loss of support and comfort. If you’re shopping for a replacement or upgrading, our beds and mattress sections can help you compare options: Beds, Mattresses & Headboards and related articles in our home section: Home articles.

Practical cleaning checklist

Weekly: Air for 30-60 minutes; make the bed with a clean protector.
Monthly: Vacuum and inspect for stains.
Quarterly: Baking-soda refresh and rotate or flip if applicable.
Annually: Deep-clean covers or consider professional cleaning if needed.

Final thoughts - sensible care that fits daily life

We recommend simple routines that fit into normal household chores: protect, air, spot-clean, and vacuum. Those small steps keep a topper feeling fresher and extend its useful life. If in doubt about a material, lean on the gentlest approach and check the product’s label or manufacturer guidance.

Sources

Sleep Foundation - Mattress topper care and cleaning guide
NHS - How to wash bedding (advice on hygiene and drying)
Consumer Reports - How to clean a mattress and mattress topper

Last updated: September 8, 2026

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How to clean and maintain a mattress topper: simple steps for longer life

Start with protection

Why Choose Bash?

Free Delivery

30-Day Returns

Nationwide Support

Why Choose Bash?

Free Delivery

30-Day Returns

Nationwide Support

Spot-clean carefully

Refresh and rotate

Why caring for a mattress topper matters

Know your topper: materials and washing labels

Quick daily and weekly habits

Spot cleaning - fast and safe

When to wash covers and removable toppers

Helpful resources

Deeper cleaning and special cases

Deodorising and allergen control

Professional cleaning and when to consider it

Drying, storage and seasonal care

When to replace your topper

Practical cleaning checklist

Final thoughts - sensible care that fits daily life

Sources

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