Jessie Taylor
Candles are a popular way to create ambiance and make a space feel more welcoming, but are they harmful to our health? The short answer is that it depends on the type of candle, the frequency of use, and the ventilation of the space. While there is little scientific evidence to suggest that candles are dangerous, some candles do release hydrocarbons, volatile organic compounds (VOCs), and phthalates into the air when burned. These chemicals can cause headaches, coughing, and eye and throat irritation in some people. However, with typical use, the amount of these chemicals released is generally considered to be below harmful levels. To minimize any potential risks, it is recommended to choose candles made from natural sources, burn them in well-ventilated spaces, and avoid prolonged exposure to the smoke.
| Characteristics | Values |
|---|---|
| Burning candles release hydrocarbons | Toluene and benzene are released in trace quantities, but the amount is not enough to pose a significant health risk to most people |
| Candle type | Paraffin wax is the most used candle wax worldwide, but it releases potentially dangerous volatile organic compounds (VOCs) and phthalates. Soy candles produce less soot and toxic chemicals than paraffin candles, but they produce more of other compounds. Beeswax candles are a healthier option. |
| Candle scents | Scents can cause headaches and eye irritation. Essential oils can cause breathing problems and interfere with memory and decision-making. |
| Candle safety | Burning candles in a ventilated room is recommended to minimize smoke inhalation. Keep candles away from drafts to decrease smoke production. Do not burn candles around children, pregnant people, or those with respiratory conditions. |
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What You'll Learn
Paraffin wax candles may release harmful chemicals
Paraffin wax is the most commonly used candle wax worldwide, according to the National Candle Association. However, burning paraffin wax releases potentially harmful chemicals, including volatile organic compounds (VOCs) and phthalates. These chemicals have been linked to negative health effects, including headaches, shortness of breath, and coughing.
While the research on the potential health risks of candle emissions is limited and the conclusions are mixed, it is important to be aware of the possible dangers. The risk of adverse effects may depend on various factors, including the type and quality of the candle, the frequency and duration of use, the airflow in the space, and individual health status.
Some alternative options to paraffin wax candles are available, such as beeswax, soy wax, or other plant-based waxes. These natural sources are recommended for minimizing the amount of particulate matter released into the air. For example, candles made from palm stearin produce only half as much soot as paraffin wax candles.
Additionally, following general candle safety guidelines can help reduce potential risks. The European Candle Association recommends keeping candles away from drafts to reduce smoke production and burning them in well-ventilated areas to minimize smoke inhalation. Trimming the wick to between 5 and 10 millimetres and using a candle snuffer or dipping the wick in wax instead of blowing out the candle are also advised.
In conclusion, while the health risks of paraffin wax candles may not be fully understood, it is prudent to take precautions when using them. Alternative candle types, proper ventilation, and adhering to safety guidelines can help minimize potential exposure to harmful chemicals.
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Soy candles may be a healthier alternative
Burning candles releases chemicals, and inhaling any type of smoke can be unhealthy. While the smoke from burning candles in a well-ventilated area is unlikely to significantly affect your health, it is still important to minimise the amount of smoke you breathe in.
Soy candles have gained popularity as a healthier alternative to traditional paraffin candles. Soy wax is derived from soybeans, a natural and renewable resource, whereas paraffin wax is a by-product of petroleum refining.
Soy wax candles are said to release fewer toxins when burned, improving indoor air quality. They also burn more slowly and evenly, resulting in less soot build-up. However, it is important to note that both soy and paraffin candles release small amounts of soot and other particulates when burned, which can trigger respiratory issues in sensitive individuals.
Some people may prefer soy candles as they often use natural wicks and are infused with essential oils instead of artificial fragrances, adding to their non-toxic appeal. However, burning essential oils can alter their chemical composition and cause breathing problems in some individuals. Therefore, it is crucial to read labels and opt for candles with minimal additives.
While soy candles may offer certain advantages, such as being a renewable resource and emitting fewer pollutants, the health benefits may be somewhat exaggerated. Both soy and paraffin candles have their merits and potential drawbacks, and proper ventilation is crucial regardless of the type of candle used.
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Ventilate rooms to minimise smoke inhalation
Burning candles can release chemicals and toxins that may be harmful to health, so it is important to minimise smoke inhalation by ventilating rooms. While candles create a cosy atmosphere, they are a potential fire hazard and can emit smoke and chemicals that can be unhealthy to breathe in.
To ventilate a room with candles, firstly, ensure the room has a window that can be opened to let in fresh air. This is the simplest way to ventilate a space and improve air circulation. If the room has no windows, you can still improve the air quality by using an extractor fan to capture and redistribute smoke, steam, or moisture. Alternatively, consider a portable air purifier or air conditioning unit to process and purify the air. If the windowless room adjoins a well-ventilated space, you can use grills or fans to encourage airflow between the two areas.
To minimise smoke inhalation, keep candles away from drafts, vents, or air currents. This will help decrease the amount of smoke produced. It is also important to keep candles at least three inches apart to prevent them from creating their own drafts, which can cause improper burning. Ensure you follow the manufacturer's recommendations on burn time and proper use, discontinuing use when a certain amount of wax remains.
To optimise indoor air quality, opt for candles made from natural sources, such as beeswax, soy wax, or other plant-based waxes. These candles produce less soot and toxic chemicals than those made from paraffin wax, which releases potentially harmful volatile organic compounds (VOCs) and phthalates. However, it is worth noting that even natural candles can emit toxins, so ventilation remains important.
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Avoid candles with certain fragrances
While candles are a great way to set a mood and create a soothing ambiance, it is important to be cautious about the type of candles you burn, especially those with certain fragrances.
The most commonly used candle wax, paraffin, is derived from petroleum, a by-product of gasoline production. Burning paraffin wax releases potentially harmful chemicals such as volatile organic compounds (VOCs) and phthalates. These chemicals have been linked to negative health effects, including headaches, coughing, and shortness of breath. Paraffin candles also produce more soot, which can be detrimental to respiratory health.
To minimize potential health risks, opt for candles made from natural sources such as beeswax, soy wax, or other plant-based waxes. These alternatives produce less soot and toxic chemicals. However, it is important to note that even these natural candles can release chemicals when burned, especially if they contain fragrances.
Fragranced candles, including those scented with essential oils, can emit a variety of chemicals when burned. Some studies suggest that these chemicals can cause breathing problems and may even interfere with memory and decision-making. The purity and quality of essential oils can also be difficult to verify, and they may contain harmful contaminants.
Additionally, certain fragrances in candles have been linked to more severe health risks. Some studies suggest that frequent and prolonged use of scented candles in inadequately ventilated spaces may increase the risk of developing urothelial and bladder cancer. These candles often contain artificial scents and dyes, which, when burned, release chemicals that are known asthma and allergy irritants.
To minimize potential health risks, it is advisable to avoid candles with strong or artificial fragrances, especially those made with paraffin wax or other petroleum-based materials. Opt for natural, fragrance-free candles, or those scented with natural, phthalate-free fragrance oils. Ensure that you always burn candles in a well-ventilated area and keep them away from drafts to reduce smoke production.
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Burning candles release hydrocarbons
While burning candles can contribute to indoor air pollution, the small amount of hydrocarbons released when burning a candle is generally not a cause for concern. However, it is important to note that the risk may depend on various factors, including candle type and quality, frequency and duration of use, airflow in the space, and individual health status.
Paraffin wax, derived from petroleum, is the most commonly used candle wax worldwide. When burned, it releases potentially dangerous chemicals such as volatile organic compounds (VOCs) and phthalates. These chemicals have been linked to adverse health effects, including headaches, shortness of breath, and coughing.
To minimise the potential risks associated with burning candles, it is recommended to choose candles wisely and burn them responsibly, and ensure proper ventilation in the room. Candles made from natural sources, such as beeswax, soy wax, or other plant-based waxes, are better options for reducing the amount of particulate matter inhaled.
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Frequently asked questions
Burning candles release hydrocarbons, chemical compounds consisting of hydrogen and carbon, into the air. In small amounts, these are not considered a significant health risk. However, certain candles may release higher levels of toxins, and inhaling any type of smoke is unhealthy.
Candles made from paraffin wax, which is derived from petroleum, release potentially dangerous chemicals such as volatile organic compounds (VOCs) and phthalates. These can cause headaches, coughing, and shortness of breath.
Yes, there are candles made from beeswax, soy wax, or other plant-based waxes that are considered healthier alternatives. Natural candles made from palm stearin, for example, produce half as much soot as paraffin candles.
