Indoor Scented Products May Cause Air Pollution Comparable to Vehicle Emissions, Study Finds
A new study has revealed that scented products used indoors can generate air pollution similar to vehicle emissions, potentially posing serious health risks when inhaled.
Findings from Purdue University
Conducted by Purdue University, the study examined how flame-free scented candles release microscopic particles into the air. These nanoparticles, small enough to penetrate deep into the lungs, are formed when fragrances react with ozone in indoor environments.
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Brandon Boor, an associate professor at Purdue, explained that these tiny particles are created through terpenes—natural compounds found in scented products. Similar emissions occur when using:
- Citrus-scented air fresheners
- Essential oils
- Peeling citrus fruits
Health Risks and Air Quality Concerns
The research team tested wax melts in a controlled indoor setting and discovered that nanoparticle concentrations were comparable to those produced by burning candles, gas stoves, and even diesel engines. When inhaled, these particles can enter the bloodstream and potentially reach the brain, raising concerns about long-term health effects.
Scientists stress the need for further research to fully understand the health implications. However, the findings emphasize the importance of improving indoor air quality through better building design and ventilation systems.
