Jessie Taylor
Essential Elements by Candle-lite Company has been America's #1 natural candle since 2008. However, there is a lot of debate about whether scented candles are toxic. While some sources claim that candles are toxic and lower indoor air quality, others argue that there are no known health hazards associated with scented candles. To improve indoor air quality and lower the chances of toxicity, some recommend burning only one candle at a time in a big room with a window open. It is also recommended to use candles made from natural materials such as beeswax, soy wax, or coconut wax, and scented with pure essential oils rather than synthetic perfumes to reduce exposure to pollutants.
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What You'll Learn
- Burning candles can lower indoor air quality and expose you to harmful pollutants
- The type of wax used in candles can impact toxicity, with paraffin wax being a concern
- Essential oils in candles: some claim they become toxic when heated, while others disagree
- Candle wicks: metal-core wicks are generally safe, but some wicks with a tiny wire inside may release heavy metals
- Artificial fragrances in candles are associated with health issues, while natural fragrances are considered safer
Burning candles can lower indoor air quality and expose you to harmful pollutants
The candle wax and fragrance ingredients are the main sources of these pollutants. Paraffin wax, a common candle ingredient, is a petroleum byproduct that releases toxic chemicals such as toluene and benzene when burned, which have been linked to cancer. Candle waxes may also contain benzidine-based dyes, which are similarly associated with urothelial cancer development. Frequent use of scented candles, particularly in inadequately ventilated spaces, may increase the risk of developing urothelial cancer.
Additionally, the fragrance oils used in candles can be synthetic and release harmful VOCs such as formaldehyde and toluene. It is worth noting that not all VOCs are harmful, as they also occur naturally in botanical gardens and forests. However, the concentration of VOCs in the air is crucial to their safety. To ensure the safety of fragrances, the International Fragrance Association (IFRA) has established safety standards that candle ingredients must meet.
To avoid exposure to these harmful pollutants, opt for candles made from natural materials such as beeswax, soy wax, or coconut wax, and scented with pure essential oils rather than synthetic perfumes. Metal-core wicks, often containing zinc or tin, have been found to be safe and non-toxic. Additionally, burning only one candle at a time in a well-ventilated room can help to minimise the impact on indoor air quality.
While candles can lower indoor air quality, it is important to note that this effect is relatively small. However, for individuals sensitive to certain fragrances or ingredients, it is crucial to be mindful of potential triggers.
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The type of wax used in candles can impact toxicity, with paraffin wax being a concern
However, it is important to note that some sources argue that the amount of toxic chemicals released by paraffin wax is minimal and may not be enough to cause harm. Additionally, studies have shown that all major candle waxes produce similar combustion byproducts, indicating that the type of wax may not be the primary factor in determining candle toxicity.
To avoid the potential risks associated with paraffin wax, some people opt for alternative wax types, such as beeswax, soy, coconut, or vegetable-based waxes. These natural waxes are considered cleaner and safer options, as they produce less soot and are free from harmful chemicals. They are also more environmentally friendly, as they are biodegradable and made from renewable resources.
While the debate about the toxicity of paraffin wax continues, consumers can make informed choices by considering their priorities regarding health, sustainability, and the sensory experience they desire from their candles.
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Essential oils in candles: some claim they become toxic when heated, while others disagree
Essential oils are derived from plants and have been used for hundreds of years. They are often used in aromatherapy and can be diffused, added to a bath, or used in candles. While essential oils have many benefits, some people claim that they can become toxic when heated, such as in candles. However, others disagree and say that the oils would have to be toxic to begin with for this to be the case.
Some sources claim that essential oils can be toxic when heated and that this changes their properties. For example, one source mentions that heating essential oils can make them flammable. Another source mentions that heating an oil compromises its therapeutic quality because of oxidation and how the components of the oil separate. Additionally, some essential oils can be toxic when absorbed through the skin or if aspirated, and they should be stored away from children and pets.
On the other hand, some sources argue that essential oils do not become toxic when heated in candles. One source mentions that the concentration and dilution rate of essential oils in candles would not be potent enough to be toxic. In addition, inhalation is considered the safest form of exposure, and the route of exposure is important. For example, citrus oils can be harmful when applied to the skin and then exposed to sunlight, but not when inhaled.
It's important to note that the quality of essential oils can vary, and some brands may be purer and of higher quality than others. Some studies have tested the emissions of essential oils and found harmful volatile organic compounds (VOCs), such as formaldehyde and toluene. However, these studies did not specify the brand of essential oil used, and it's important to use pure and high-quality essential oils.
To ensure the safety of fragrances in candles, the International Fragrance Association (IFRA) has established safety standards that must be met. Each ingredient in the fragrance and the finished product is reviewed against these standards, and if they are met, the fragrance is considered safe for human use. Additionally, natural materials such as beeswax or soy wax, and scents from essential oils rather than synthetic perfumes, are recommended to reduce exposure to pollutants from scented candles.
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Candle wicks: metal-core wicks are generally safe, but some wicks with a tiny wire inside may release heavy metals
Metal-core wicks are sometimes used in container candles and votives to keep the wick upright when the surrounding wax liquefies during burning. Metal-core wicks are generally considered safe, and scientific studies have repeatedly shown them to be non-toxic. Today, metal-core wicks are made with either zinc or tin, which are deemed safe and non-toxic.
However, there have been concerns over the use of lead in candle wicks. Lead wicks were historically common in candle-making, but most manufacturers voluntarily discontinued their use in the 1970s due to the health risks of airborne lead exposure. Despite this, some manufacturers resumed producing lead-cored wicks, and in 2000, a task group was formed to address the issue. In 2003, wicks containing lead were officially banned in the USA due to the potential for lead poisoning.
It is important to note that zinc and tin core wicks may still contain trace amounts of lead, as there are concerns in the community about lead in zinc wire. To identify a metal core in a candle wick, look for a metal wire in the centre of the wick. If you peel off the cotton braiding and the wire leaves a grey mark on paper, it likely contains lead.
Overall, while metal-core wicks are generally safe, it is important to be aware of the potential presence of lead in some wicks, which can release heavy metals and pose health risks.
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Artificial fragrances in candles are associated with health issues, while natural fragrances are considered safer
While candles are often viewed as a source of ambiance, they can also be a powerful tool for stress relief. However, it is important to be aware of the potential health risks associated with certain types of candles, especially those with artificial fragrances.
Artificial fragrances in candles have been linked to various health issues. Synthetic fragrances are one of the world's top allergens and can contain dozens to hundreds of undisclosed chemical ingredients per scent. These chemicals can include dangerous volatile organic compounds (VOCs), phthalates, carcinogens, asthmagens, obesogens, and neurotoxins. The release of these chemicals into the air can lead to indoor air pollution, which is a common health issue, especially in developing nations. Exposure to these toxins can have alarming consequences, affecting everything from our hormones and mood to our risk of asthma, cancer, and weight gain.
On the other hand, natural fragrances in candles are generally considered safer. Beeswax candles, for example, burn clean with minimal soot and do not emit harmful chemicals. Soy candles are another natural alternative that produces soothing scents without filling your home with toxic gases. Candles scented with pure essential oils, such as lavender or grapefruit, can also be a healthier option, providing aromatherapy benefits without the risks associated with artificial fragrances.
It is important to note that even natural fragrances may cause issues for individuals with fragrance sensitivities. Additionally, the quality of essential oils matters, as blends may contain hidden artificial fragrances. To ensure the safest experience, it is recommended to choose candles with only a single pure essential oil and to store them away from children and pets.
By opting for candles with natural fragrances, you can enjoy the ambiance and potential stress-relieving benefits of candles without exposing yourself to the potential health risks associated with artificial fragrances.
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Frequently asked questions
Essential elements candles by Candle-lite Company claim to be crafted with quality since 1840. They are made of natural soy wax and scented with pure essential oils. While there is no scientific evidence that candles are toxic, some studies suggest that they may release harmful chemicals and volatile organic compounds that can affect your breathing.
Alternatives to toxic candles include beeswax candles, soy candles, and coconut wax candles. These candles are made from natural ingredients and do not contain artificial fragrances or synthetic perfumes, which may be harmful.
Essential oils themselves are not toxic, but they can become toxic when heated. Heating essential oils can change their properties, and they can become flammable. However, the concentration of essential oils in candles is likely not potent enough to cause harm when inhaled.
To know if a candle is toxic, consider the ingredients and the way it is made. Avoid candles made with paraffin wax, artificial fragrances, and synthetic perfumes. Look for candles made with natural ingredients such as beeswax, soy wax, or coconut wax, and scented with pure essential oils.
