Here’s how to clean dirty bed pillows to leave them white and smelling sweet.

Pillows can quietly collect dirt and buildup over time, even when they are always protected by clean pillowcases. Sweat, natural body oils, skincare products, and hair treatments gradually seep through fabric and settle deep inside the pillow. This buildup doesn’t just cause yellow stains or unpleasant odors—it also creates an environment where dust mites, bacteria, and allergens can thrive. For people with allergies, asthma, or sensitive skin, keeping pillows clean is an essential part of maintaining a healthy sleep space.

Before washing any pillow, always check the care label. Most synthetic and down pillows are machine washable, while memory foam or latex pillows usually require spot cleaning only. For washable pillows, laundering them about every six months helps prevent long-term buildup and keeps them fresh and supportive.

When washing pillows, a simple but effective approach works best. Use regular laundry detergent to remove oils and dirt, and add half a cup of baking soda to help neutralize odors and loosen residue trapped in the filling. An optional few drops of lavender oil can add a light, calming scent. Wash two pillows at a time to keep the machine balanced, use warm water unless otherwise instructed, and choose an extra rinse cycle to ensure all detergent is removed.

Drying is just as important as washing. Pillows must be completely dry to prevent mold or mildew. Tumble dry on low heat and add clean tennis balls or dryer balls to help restore fluff and prevent clumping. Rotate the pillows during drying and check frequently for any remaining dampness.

Between washes, regular airing makes a noticeable difference. Opening windows and letting sunlight into the room helps reduce moisture and limits bacteria growth. Fluffing pillows each morning also releases trapped humidity and maintains their shape.

For stubborn yellow stains, pre-soaking can help. Soak pillows in warm water mixed with lemon juice, white vinegar, or hydrogen peroxide before washing. Consistent care, combined with replacing pillows every one to two years, ensures cleaner, more comfortable, and healthier sleep.