Can You Wash a Pillow in the Washing Machine?

You’ve probably thrown your sheets and pillowcases in the wash without a second thought. But the pillows themselves? That’s where hesitation sets in. The care tag is long gone, and you’re left guessing whether the machine will ruin them or just clean them. It’s a common question, and the answer isn’t one-size-fits-all.

The short answer is yes for most pillow materials — but that “most” comes with important exceptions. Synthetic fills, down, and feather pillows usually handle a machine cycle well. Memory foam pillows, however, need a gentler approach. This guide walks through which materials can go in the washer and which need hand care.

Which Pillows Can Go In The Washing Machine?

The first step is always the care label. If your pillow still has its tag, follow those instructions. If not, material type is your best guide. Synthetic pillows — polyester fill — are the easiest. They’re durable and machine-washable on a gentle cycle with warm water and a low-sudsing detergent.

Down and feather pillows are also machine-washable, but they require extra care. Use a gentle cycle, cool or warm water, and a mild, low-sudsing detergent. Heat can damage the natural fill, so skip hot water.

Memory foam pillows are the exception. The machine’s agitation can break down the foam’s structure, leading to lumps and loss of support. These pillows should be spot-cleaned with a damp cloth and mild detergent. Some newer memory foam pillows may have removable covers that are machine-washable, but the foam core itself should never go in the washer.

Why People Worry About Washing Pillows

Even when a pillow is technically machine-washable, people hesitate. The fear of ending up with a lumpy, misshapen pillow is real. Here are the most common worries and why they happen.

• Lumping and clumping: The fill shifts during the wash, especially in down and feather pillows. This is normal — proper drying and fluffing can redistribute the fill.
• Damage to pillow structure: Aggressive spin cycles can stress the seams or tear fabric. Using a gentle cycle and balancing the load helps.
• Residual detergent: Soap left inside can cause irritation. An extra rinse cycle solves this.
• Long drying time: Pillows hold water. Incomplete drying leads to mildew. Drying with dryer balls or tennis balls on low heat breaks up clumps.
• Memory foam worries: Many assume all pillows are machine-washable. The distinction between foam and fiberfill is critical.

Understanding these risks is the first step. With the right settings and a little patience, most pillows come out fresh and fluffy.

Machine-Washing Steps That Keep Pillows In Good Shape

Once you’ve confirmed your pillow is machine-safe, the process is straightforward. Start by removing pillowcases and checking for any tears. Wash two pillows at a time to balance the machine — this prevents thumping. Use a gentle cycle, warm water, and a low-sudsing detergent. Avoid fabric softener; it coats the fill and reduces fluffiness. The Maytag guide on machine-washing pillows suggests using a front-loading washer if possible, as agitators can be rough on pillows.

For down pillows, an extra rinse cycle helps remove all detergent residue. Never use bleach. The goal is to clean without breaking down the natural oils in the feathers.

The table below breaks down the recommended settings for common pillow types.

Following these guidelines helps your pillows last longer and stay supportive. Drying is the most critical step — a thoroughly dry pillow prevents mold and musty smells.

Tips For Drying Pillows After Washing

Drying pillows correctly is just as important as washing them. A wet pillow can grow mildew within 24 hours. Here’s how to dry them safely.

1. Use low heat. High heat can damage down and melt synthetic fill. Stick to low or air-fluff settings.
2. Add dryer balls or clean tennis balls. These break up clumps and keep the fill evenly distributed.
3. Dry completely. A pillow that still feels damp in the core needs more time. Check periodically by squeezing the center.
4. Air dry as a backup. If your dryer is too small or lacks low heat, hang pillows in a well-ventilated area. Fluff them every few hours.

A fully dried pillow should feel light and fluffy, not dense or lumpy. If you notice a musty smell, it means moisture remains — run another drying cycle.

When To Replace A Pillow Instead Of Washing

Even with proper washing, pillows don’t last forever. The average pillow should be replaced every one to two years. Clumping that won’t shake out, persistent stains, or yellowing are signs it’s time for a new one.

Whirlpool’s care guide suggests checking for loss of loft — a pillow that no longer springs back after folding is past its prime. See its pillow material guide for replacement signs.

For memory foam pillows, body impressions that don’t bounce back within a minute indicate the foam is breaking down. Replace them to maintain proper neck support.

The Bottom Line

So, can you wash a pillow in the washing machine? For synthetic, down, and feather pillows, yes — with the right cycle and thorough drying. Memory foam and latex pillows need gentler spot cleaning. Always check the care label first, and dry completely to avoid mildew.

If your pillow shows signs of wear even after cleaning, or if you’re unsure about its material, a bedding specialist or your mattress retailer can help you choose the best replacement for your sleep setup.