Are scented candles polluting your home’s air?
There’s nothing cozier than snuggling up on a cold winter day and lighting your favorite scented candle. Unfortunately, candles might worsen your indoor air quality and affect your breathing.
That’s because some candles are made with petroleum, metals or even chemical fragrances, which can cause your body to have certain reactions.
“Paraffin wax candles are the worst offenders,” says Dr. Mohammed Mohammed, a pulmonologist at Aurora Health Care. “Because they’re petroleum-based, they can emit harmful chemicals into the air when burned.”
Candles to avoid for better health
When deciding on which candles to burn, there are a couple things to avoid:
- Paraffin wax: These types of candles can release volatile organic compounds (VOCs) and known carcinogens, like alkenes, acetone, benzene and toluene. These chemicals are known to cause allergies, asthma attacks and potential skin problems.
- Chemical fragrances: A lot of candles use synthetic fragrances and dyes, and when burned, can also emit VOCs that can cause headaches, allergic reactions, dizziness and even difficulty breathing.
- Cored wicks: Lead was once used in cored wicks before it was banned by the U.S. Consumer Product Safety Commission. Now the lead is replaced with zinc and tin. Even with the replacement, the candle can still burn off trace amounts of metal, so be aware.
How to burn candles safely
Not all candles are created equally, and even with these findings, you can still find ways to safely burn candles and create a cozy atmosphere.
Here are some safer alternatives:
- Simmer spices in boiling water
- Make potpourri with dried flowers, spices and wood chips
- Use candle warmers instead of burning an open flame
- Used soy-based candles to lessen the harmful impact
“You don’t have to completely stop burning candles,” says Dr. Mohammed. “As with anything, the key is to use them in moderation. Burning candles are often part of long-standing traditions, cultural moments and are used as a calming presence. Being aware of their effects on your health and adjusting your usage is what’s most important.”
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About the Author
health enews contributor, is on the digital content team at Advocate Health Care and Aurora Health Care. They received their bachelor's degree in Creative Writing and French from Ohio Wesleyan University. Outside of work, they are a writer and comedian and can be found in the mountains during their free time.














