Yellowing pillows are usually caused by a buildup of sweat, body oils, saliva, dust, and detergent residue. Many pillows can be refreshed with proper cleaning, although older pillows with deep staining or damaged filling may need replacement.
3 tips to help whiten and refresh yellowed pillows
1. Check the care label first
- Look for washing instructions before cleaning.
- Many synthetic and down/feather pillows can be machine washed, but some memory foam and specialty pillows should not be soaked.
2. Use a deep-cleaning wash
For washable pillows:
- Wash two pillows at a time to keep the machine balanced.
- Use warm water (if the label allows).
- Add your regular detergent.
- For stubborn yellowing, some people use a small amount of oxygen bleach (color-safe bleach) rather than chlorine bleach, which can damage some fabrics and fillings.
- Run an extra rinse cycle to remove leftover detergent.
3. Dry completely
- Dry pillows thoroughly to prevent mildew.
- Use a low or medium heat setting if allowed.
- Add dryer balls or clean tennis balls to help fluff pillows.
- Make sure the inside is completely dry before putting pillowcases back on.
To keep pillows white longer:
- Use a washable pillow protector under the pillowcase.
- Wash pillowcases weekly.
- Avoid going to bed with wet hair or skincare products that can transfer oils.
- Replace pillows when they no longer hold shape or smell fresh despite cleaning.
A quick note: yellowing is common and does not automatically mean a pillow is unsafe, but persistent odors, mold, or visible mildew are signs the pillow should be replaced.
