Are plug-in air fresheners safe in a nursery?
No. Plug-in air fresheners release VOCs and terpenes that irritate a baby's airways.
What's actually in it
Plug-in air fresheners heat scented oils that evaporate continuously into the room. The oils contain phthalates (used as fragrance carriers), limonene, linalool, and a mix of undisclosed "fragrance" chemicals. Heat plus indoor ozone turns these into formaldehyde and fine particles.
Nurseries are often small, closed rooms where a baby breathes the air 12 or more hours a day.
What the research says
A 2025 screening study in Environ Sci Technol found air fresheners among the heaviest loads of fragrance VOCs and phthalates of any household product category. A 2025 study in Front Public Health linked fragrance VOCs to oxidative stress and lung injury.
The simplest fix: unplug. For fresh-smelling air, open a window, use a box of baking soda, or simmer water with a cinnamon stick or citrus peel on the stove. Babies don't need scent.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Developing Chemical Signatures for Categories of Household Consumer Products Using Suspect Screening Analysis. | Environ Sci Technol | 2025 |
| Toxicological evaluation of volatile organic compounds emitted from scented candles. | Front Public Health | 2025 |
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