Do air fresheners release toxic chemicals indoors?
Ventilate well. VOCs from household products are a real indoor air quality issue, especially for children.
What's actually in it
Volatile organic compounds (VOCs) are chemicals that evaporate at room temperature and become part of indoor air. Household sources include paint, cleaning products, air fresheners, new furniture, flooring, and adhesives.
Many VOCs are irritants. Some, like benzene and formaldehyde, are carcinogens. Indoor concentrations can be 2 to 5 times higher than outdoor air, especially in sealed modern homes.
What the research says
A 2026 study in j occup environ hyg found that volatile organic compound and particle emissions from the use of tea tree oil in Zisook RE(1)(2), Nembhard MD(1)(2), Bandara SB(2), Gaffney SH(1)(2)..
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Volatile organic compound and particle emissions from the use of tea tree oil in essential oil diffusers. | J Occup Environ Hyg | 2025 |
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