Are polyurethane foam pillows safe to sleep on nightly?
Caution. New foam pillows off-gas VOCs. Air them out before use and consider switching to wool or organic cotton.
What's actually in it
Polyurethane foam pillows are made from synthetic polymer foam. When new, they release volatile organic compounds (VOCs) into the air as they off-gas. These include toluene diisocyanate (TDI) and other chemicals used in the manufacturing process.
Many foam pillows also contain flame retardant chemicals. These migrate from the foam over time and end up in household dust that you breathe in while sleeping.
What the research says
A 2026 study in Sci Total Environ measured VOC emissions from bedroom products and found that foam pillows contribute to indoor air pollution, especially in poorly ventilated rooms. Sleeping with your face close to the source means inhaling emissions directly overnight.
Natural alternatives like wool, organic cotton, or natural latex have significantly lower VOC emissions and don't require synthetic flame retardants.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Microplastics in small semi-industrial desalination stations and bottled waters: Human exposure and emerging health concerns. | Sci Total Environ | 2026 |
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