How to clean a pillow depends entirely on one thing: what's inside it. Down and synthetic pillows usually go straight in the washing machine; memory foam and latex never should. Here's how to tell which you've got, how to wash without ending up with a lumpy mess, and how often to bother.
Washing a pair balances the drum so it doesn't bang around. Use a gentle cycle, warm water, and a small amount of mild liquid detergent — powder can leave residue inside.
Detergent trapped deep in the fill is what makes pillows go stiff and smelly. Run a second rinse to flush it all out.
Tumble on low heat with wool dryer balls (or clean tennis balls). They bounce around and break up clumps so the fill dries fluffy, not lumpy.
A pillow that's even slightly damp inside grows mould and smells. It can take a couple of dryer cycles — fluff and check the centre before you call it done.
Use the upholstery attachment to lift dust and dead skin from the surface and seams.
Dab marks with a cloth and a little mild detergent in water — blot, don't soak. The foam should never be saturated.
Lay it flat somewhere airy (not in direct hot sun, which degrades foam). Let it dry fully before putting a case back on.
Wash washable pillows every 4–6 months; wash the case and protector every 1–2 weeks. The replace test: fold the pillow in half — if it doesn't spring back open, it's done supporting your neck. Most synthetic pillows last 1–2 years, down 2–3. When it's time, see our picks for the best pillows in Canada.
More care guides: how to clean a mattress · wash a weighted blanket · get rid of dust mites.
Practical bedding-care tips — not medical advice.
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