Whether or not you usually haul your favorite three-wicks from a significant retailer otherwise you acquired a hand-poured vessel as a gift, virtually everybody has a scented candle of their house.
In 2023, a bunch of scientists claimed in a National Library of Medicine editorial that “a number of dangerous gasses are launched” once you burn scented candles, starting from “these recognized to haven’t any impact on well being” to “these which may be cancerous,” exacerbating the well being considerations surrounding candles.
However a number of elements play into how scented candles have an effect on one’s well being, together with the kind of wax and dyes used to make the product, the material of the wick, the candle’s perfume and the setting by which one makes use of it.
“Whereas they scent fantastic and many individuals discover them soothing, asthmatics and COPD [chronic obstructive pulmonary disease] sufferers are very susceptible to haven’t simply coughing matches, however exacerbations or assaults as soon as they inhale these substances,” pulmonologist Dr. Anthony Saleh of New York-Presbyterian Brooklyn Methodist Hospital informed HuffPost.
“COPD and bronchial asthma sufferers are the most typical, however there have been a plethora of instances of regular wholesome lungs going into spasm. So whereas they scent good and so they look good, they’re not at all times good [for your health,” Saleh said.
Experts explain what to look for in your favorite candles if you want to minimize impacts on your health when lighting up.
How To Spot A Safe Candle Wax
When candles burn, they release volatile organic compounds (VOCs), which include a variety of chemicals, and the concentration of VOCs is up to 10 times higher indoors than outdoors. According to Saleh, the VOCs released by paraffin candles have a worse effect on one’s health than more natural alternatives like soy, coconut, palm or beeswax. While significant research has not been done on the subject, there have been some suggestions that “the paraffin [candles] could also be considerably extra injurious,” Saleh stated.
Dr. Ruchi Singla, who focuses on diagnosing and treating allergy symptoms and immune problems at UChicago Drugs, agrees. “Once you’re burning candles, these gases get vaporized into the air, and we’re respiration them in to allow them to have an effect on our sinuses, our lungs, even our pores and skin,” she informed HuffPost. “The advice is now to attempt to use candles which might be made extra naturally, both from soy wax, beeswax, steering to coconut oil or animal fat-based substances. That is likely to be more healthy.”
Retailers usually go for paraffin over the extra pure options as a consequence of price. “Paraffin is cheaper,” artificial natural chemist Dr. Nada Khan informed HuffPost. “As you go extra clear, they’re dearer.”
What To Keep away from In Candle Fragrances
Prospects usually purchase a candle for its scent, however simply as pure waxes show to be the better-for-you selection, so do naturally occurring important oils.
“Steer towards the extra pure substances and those that rely much less on the substitute fragrances and dyes,” Singla suggested.
Khan shared that when she buys candles, “I don’t learn the label intimately, I simply see the pure merchandise and the artificial ones. The pure ones, they’ve important oils. They’re protected, however generally a person has an allergy to a selected pure one.”

That may be as a result of focus of the perfume used within the candle, which Jefferson Well being allergist Dr. Elina M. Toskala stated could cause congestion, a runny nostril and/or complications.
“There’s one thing in regards to the sturdy smells that may set off a fairly sturdy response in our airways,” she informed HuffPost. “The higher airway takes it first, however the higher airway can activate the decrease airway hyperreactivity and may make you cough. Very delicate sufferers with bronchial asthma can really feel chest tightness and even wheezing. The milder the scent, I might assume there’s much less of that chemical within the candle.”
Finally, you wish to keep away from phthalates in your scented candles, that are chemical substances used to retain the scents in fragrances — like preservatives for candles. Phthalates usually seem as acronyms equivalent to DEP (diethyl phthalate), DnHP (di-n-hexyl phthalate, recognized for inflicting complications) and DIDP (diisodecyl phthalate, which regularly worsens bronchial asthma and allergy signs).
“With toxicology, our mantra is the dose makes the poison,” inhalation toxicologist Dr. L. Cody Smith informed HuffPost. “So the dose that you’re getting from the scented candles of those potential poisonous byproducts can be an element.”
Given the little regulation round candle labeling, retailers don’t need to listing the precise substances — and subsequently disclose any phthalates — of their merchandise. “Hopefully, there’ll be extra analysis and higher labeling round this stuff in order that we are able to make these extra knowledgeable choices,” Singla expressed.
The Probably Cancerous Chemical In Candle Dyes
Singla really helpful choosing extra pure dyes, too. “There aren’t a ton, however that is likely to be a greater possibility than the substitute ones or the artificial ones,” she stated.
That’s as a result of synthetic dyes generally use benzine. “The spinoff of benzine itself is carcinogen, which implies it causes most cancers in the long run, not immediately,” Shah stated. “The spinoff is usually current within the dyes, so nowadays, individuals are going in direction of pure dyes and colorant.”
“After we burn candles, scented or unscented, we’re producing chemical substances into the indoor air setting that we do inhale, and these chemical substances may very well be merchandise from the wax, the fragrances and even the wick,” Smith stated.
Given all of the choices on the market, the specialists say you don’t need to ditch scented candles completely.
“In no way am I saying no person ought to use scented candles,” Saleh acknowledged. “Very similar to many issues with lung well being, widespread sense, understanding your limitations and understanding what your situations are, go a good distance. All the things sparsely.”
Toskala referred to as it a “trial and error” course of to determine which scented candles your physique can deal with. “Individuals may be capable of tolerate some smells however not others,” she stated, including that “there’s probably a variety of good issues like emotional results from these candles. And so they look good!”
Singla feels equally. “Attempting to make educated choices on selecting the higher choices is smart,” she stated. “But when burning a candle every now and then makes you calm and improves your temper, I believe there are another advantages that we is likely to be ignoring.”