Stop burning any type of candle if someone in your home experiences hives, rashes, runny nose, congestion, sneezing, coughing, sinus problems, headache, or eye irritation when you light it. Some people have an allergy to one or more of the ingredients in candles. Otherwise, look for brands that scent their candles with essential oils instead of harmful additives and use natural dye or none at all. If you're interested in the atmosphere rather than the fragrance, you can simply select unscented candles. Some artificial colors and fragrances even contain thousands of different chemicals, each with potential health effects. By the same token, dyes made from synthetic ingredients reduce air quality compared to those made from natural and plant-based compounds. Opening the windows when you burn candles can reduce exposure to potentially harmful compounds and particulate matter.Ĭandles that have artificial fragrances can also release carcinogens into the air you breathe. Some VOCs, including benzene and formaldehyde, are carcinogenic substances that are associated with increased cancer risk.įortunately, many brands do make all-natural, VOC-free candles. VOCs are common carbon compounds that come from pollution, exhaust, and other sources including burning candles. Some have concerns that the minuscule particles and liquid drops that make up particulate matter can cause respiratory and cardiac problems if we inhale them. Volatile Organic Compounds and Particulate Matterīurning candles releases volatile organic compounds (VOCs) and particulate matter into the air. While lead wicks have been banned for many years, candle manufacturers still use zinc and tin wicks that can release trace heavy metals. Avoid blends that contain a percentage of paraffin, and look for 100% cotton wicks to further maintain good air quality. Shop for candles made completely of beeswax, soy, or coconut oil. If you're wary of paraffin, alternatives abound. Limited research has revealed concerns about potential environmental toxins released by burning paraffin wax candles, but a 2007 study funded by the European Candle Association found that more than 300 different candle materials including paraffin wax do not release toxins at a level that could affect humans. In addition, bleach added to paraffin during the candle manufacturing process can result in similar health problems when released into the air. According to the Missouri Poison Center, burning paraffin wax candles releases toxins such as petroleum and acetone, which can cause lung irritation and breathing problems for those who have allergies, asthma, and other pre-existing lung issues. These common candles are made of a petroleum byproduct called paraffin, which results from the gasoline manufacturing process. Use this guide to identify hazardous candle ingredients and learn about choosing safe, toxin-free candles. If you love the aroma of scented candles or the warm glow of flickering candlelight in your home, shop smart to make sure you aren't impacting environmental air quality. Are candles toxic? As with other products, it all depends on the ingredients.
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