
Scented candles are a common source of comfort and ambiance in many homes, but they can also be a potential trigger for headaches and migraines. While the flickering flame and delightful fragrances of candles can create a warm and inviting atmosphere, there may be an unseen threat to our health lurking beneath. This is especially true for individuals with respiratory sensitivities or conditions like asthma. In this paragraph, we will explore the potential link between candles and migraines, discussing the role of fragrances, synthetic chemicals, and indoor air pollution to answer the question: Do candles cause migraines?
| Characteristics | Values |
|---|---|
| Strong scents | Can trigger migraines |
| Added fragrances | Can cause negative reactions in 1 out of 3 people |
| Natural beeswax candles | Safe alternative |
| Paraffin wax candles | Can release harmful toxins that contribute to headaches |
| Synthetic fragrances | Contain phthalates, benzene, toluene, and formaldehyde |
| Natural fragrances | Citrus or vanilla are less likely to cause migraines |
| Proper ventilation | Burning candles in a well-ventilated room can reduce the risk of migraines |
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What You'll Learn

Scented candles can trigger migraines
The problem often lies in the synthetic chemicals used to create or enhance the scent, such as phthalates, which can release volatile organic compounds (VOCs) when burned. These VOCs can be inhaled or absorbed through the skin, and their presence in the bloodstream can trigger headaches, respiratory issues, and irritate the eyes and throat. In addition, certain fragrances themselves can be headache triggers, with strong floral scents more likely to cause issues compared to milder, natural scents like citrus or vanilla.
Paraffin wax candles, which are commonly used for mass-produced candles, can also release harmful toxins, including benzene, toluene, and formaldehyde, which are known to cause cancer. These candles emit gases and particulate matter like soot, which can damage DNA and lead to lung problems when inhaled in large amounts.
To minimize the risk of migraines, opt for candles made from natural, non-toxic materials like beeswax, soy, or coconut wax. These alternatives burn cleaner and produce fewer harmful emissions. When choosing scented candles, look for those scented with natural essential oils rather than synthetic fragrances, and always ensure the area is well-ventilated.
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Synthetic fragrances and chemicals in candles
Scented candles are a common trigger for headaches and migraines. Synthetic fragrances and chemicals in candles, such as phthalates, are often to blame for these adverse reactions. These chemicals are used to enhance the scent and prolong the burn time of candles. However, when burned, they release volatile organic compounds (VOCs) into the air, which can be inhaled and lead to headaches, migraines, and other health issues.
In addition to synthetic chemicals, certain fragrances themselves can also trigger headaches and migraines. Strong floral scents, for example, are more likely to cause headaches than milder, natural scents like citrus or vanilla. According to the National Institute of Health and the National Library of Medicine, 34.7% of people will suffer from headaches or migraines when exposed to strong fragrances. This is important to consider when using scented candles, as fragrance is a common trigger for migraines and headaches.
To avoid the potential negative effects of synthetic fragrances and chemicals in candles, it is recommended to opt for candles made from natural ingredients. Beeswax candles are often recommended as they have a pleasant, delicate scent in their natural state and do not require added fragrances. Other natural alternatives include soy, palm, and coconut waxes, which can be burned as unscented candles or scented with natural essential oils.
When shopping for candles, it is important to read the labels and choose products that are free from potentially harmful fragrance ingredients. By being informed and making careful choices, individuals can reduce the risk of experiencing headaches, migraines, and other health problems associated with synthetic fragrances and chemicals in candles.
Additionally, proper ventilation is crucial when burning candles. While the problem is often associated with poor ventilation rather than emission levels, it is recommended to burn candles in a well-ventilated room and to keep them away from drafts.
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Natural candles as a safe alternative
Scented candles can be a trigger for headaches and migraines. However, it is not just the fragrance that can be a problem. Many candles contain synthetic chemicals, such as phthalates, which are used to enhance the scent and prolong the burn time. These chemicals release volatile organic compounds (VOCs) into the air when the candle is burned, and inhaling these VOCs can lead to headaches and other health issues.
Natural candles made from non-toxic materials such as beeswax, soy wax, or coconut wax are a safe alternative to paraffin candles. These candles burn cleaner and produce fewer harmful emissions, making them a healthier choice. Beeswax is the only type of candle wax that smells great in its natural state, without any added fragrances. Natural candles scented with essential oils, such as citrus or vanilla, can be a good option if you enjoy a nice scent.
When shopping for candles, it is important to read the labels and choose candles labelled as ""non-toxic," "phthalate-free," and "paraben-free." Opting for natural alternatives can reduce exposure to indoor air pollutants and create a healthier environment. Proper ventilation is also important when burning candles, as poor ventilation can lead to increased exposure to candle emissions.
If you are sensitive to fragrances, it is best to choose unscented, natural wax candles. Natural candles are a safe choice for those who want to enjoy the ambiance of candlelight without the potential health risks associated with synthetic fragrances and toxic chemicals.
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Proper ventilation while burning candles
Burning candles can release harmful chemicals into the air, including volatile organic compounds (VOCs) and particulate matter. Inhalation of these compounds can lead to headaches, migraines, respiratory issues, and other health problems.
To minimize these adverse effects, proper ventilation is crucial. Here are some guidelines for ensuring proper ventilation while burning candles:
Choose a well-ventilated space: Always burn candles in a room with good ventilation. Open a window to allow fresh air to circulate, but avoid placing the candle in a drafty area, as this may cause the flame to flicker or smoke.
Limit burning time: Extinguish candles after one hour of continuous burning and let them cool before relighting. This helps to reduce the buildup of harmful chemicals in the air.
Use natural candles: Opt for candles made from natural ingredients, such as beeswax, soy, or coconut oil-based waxes. These candles burn cleaner than paraffin wax and are less likely to release toxic chemicals. Check the labels to ensure the candles are made from 100% natural wax without any added paraffin.
Avoid scented candles: Fragrances, especially artificial ones, are common triggers for headaches and migraines. Choose unscented candles or those scented with natural essential oils instead of fragrance chemical oils. Natural scents like citrus or vanilla are less likely to cause headaches compared to stronger floral fragrances.
Maintain proper wick size: Trim the wick to 1/4 inch before lighting the candle. A properly trimmed wick helps the candle burn more efficiently and reduces the amount of smoke and soot released into the air.
Use alternative sources of fragrance: If you enjoy aromatherapy, consider using a diffuser or candle warmer instead of burning scented candles. Diffusers disperse essential oils, providing natural fragrance without the risk of releasing harmful chemicals.
Be mindful of fire safety: Aside from ventilation, it's important to follow basic fire safety precautions. Never leave a burning candle unattended, and keep it away from flammable objects. Ensure you blow out the candle before leaving the room or going to bed.
By following these guidelines, you can enjoy the ambiance and benefits of burning candles while minimizing the potential negative impact on your health and indoor air quality.
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Candles as a cause of indoor air pollution
Candles are a common source of indoor air pollution, releasing various chemicals and particulate matter into the air. While candles can trigger migraines and headaches, the specific cause is often attributed to their strong fragrances rather than the wax itself.
Synthetic Fragrances and Chemicals
Scented candles, particularly those with synthetic fragrances, can emit volatile organic compounds (VOCs) when burned. These VOCs, such as benzene, toluene, and formaldehyde, are released into the air and can be inhaled, potentially triggering migraines and headaches. The synthetic fragrances used in candles often contain phthalates, which can exacerbate allergic symptoms, alter hormone levels, and trigger asthma attacks.
Particulate Matter
Burning candles also produce particulate matter, such as soot, which can be released into the air. Inhalation of large amounts of soot and VOCs can damage DNA and lead to lung problems. Poor ventilation exacerbates the issue, increasing the concentration of these pollutants indoors.
Natural Alternatives
To reduce indoor air pollution from candles, opting for natural alternatives is recommended. Candles made from beeswax, soy, or coconut wax are cleaner-burning options that produce fewer harmful emissions. Additionally, choosing candles scented with essential oils instead of synthetic fragrances can minimize the risk of migraine and headache triggers.
While candles can contribute to indoor air pollution, proper ventilation and choosing natural, unscented, or fragrance-safe options can help mitigate their impact on air quality and reduce the likelihood of adverse health effects, including migraines and headaches.
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Frequently asked questions
Yes, candles can cause migraines. According to the National Institute of Health and the National Library of Medicine, 34.7% of people will suffer from headaches or migraines when exposed to strong fragrances.
Paraffin wax candles, which are made from petroleum, are known to release harmful toxins when burned. These toxins have been linked to various health issues, including migraines. It is best to opt for candles made from natural, non-toxic materials such as beeswax, soy, or coconut wax.
Yes, proper ventilation is crucial. Only burn candles in a well-ventilated room and keep them away from drafts. Additionally, certain fragrances themselves can trigger migraines in some people. Strong floral scents, for example, are more likely to cause migraines compared to milder, natural scents like citrus or vanilla.











































