
Citronella incense is a popular mosquito repellent made from the stems, leaves, and essential oils of the lemongrass plant. It is often used to fill rooms with a sweet fragrance and to repel insects. However, like other types of incense, it emits smoke, which may be accidentally inhaled and could contain carcinogens and irritants. This has led to inquiries into the potential negative health effects of burning citronella incense, such as an increased risk of respiratory diseases, cancer, and heart disease. While some studies have found correlations between incense use and these health issues, further research is needed to establish causation, especially in humans.
| Characteristics | Values |
|---|---|
| Proven health benefits | Antiseptic, anti-depressant, anti-inflammatory, deodorant, diuretic, antibacterial, fungicidal, mosquito repellant, tonic, and stimulant |
| Mosquito repellent | Yes |
| Natural | Yes |
| Safe for dogs | No |
| Cancer risk | A 2021 study confirmed that some particulate matter in incense smoke is carcinogenic |
| Respiratory diseases | A potential trigger for asthma and other respiratory allergies |
| Chronic inflammation | A 2020 study found that burning incense may cause issues with brain health in community older adults over 65 years of age |
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What You'll Learn

Citronella incense as a mosquito repellent
Incense has been used as a natural mosquito repellent for ages. Certain fragrances that are soothing and calming for humans, such as citronella and eucalyptus, smell pungent to mosquitoes, driving them away. A study conducted in Guelph, Ontario, Canada, in 1995 assessed the efficacy of 3% citronella candles and 5% citronella incense in protecting individuals from bites of Aedes mosquitoes under field conditions.
Citronella incense can be an effective alternative to citronella candles for repelling mosquitoes. While candles are often recommended for outdoor use, incense sticks can be used both inside and outside. For example, Phool Mosquito Repellent Pack offers natural incense sticks with citronella and eucalyptus fragrances.
However, it is important to be cautious when using incense for mosquito repellent, especially when purchased from dollar stores. These incense sticks may be contaminated with heavy metals or dangerous toxins, which can be unsafe to breathe in, particularly for individuals with sensitive lungs. Additionally, the fumes from citronella incense may not be suitable for pets, so pet owners may need to explore alternative mosquito repellent options.
To ensure safety, it is recommended to purchase incense from trusted sources, such as specialty stores or reputable online retailers, and to use them in well-ventilated areas. It is also important to follow general safety guidelines when burning incense, such as keeping it away from flammable objects and supervising it while it is lit.
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Health benefits of citronella incense
The use of incense has been cherished across the world since ancient times, with a range of scientifically proven health benefits. Citronella incense, in particular, has a strong and distinctive scent and is known to have a relaxing effect, making it ideal for anyone struggling with insomnia.
Citronella incense can also improve your mood and mental state. Scent is a powerful sense that can evoke emotions, memories, and actions. Exposure to a pleasant scent, such as that of citronella incense, can induce a positive mood and a calm state of mind.
Additionally, citronella-based incense acts as a mosquito and insect repellent. Studies have shown that citronella incense can provide a 20 to 40 percent decrease in the chance of a mosquito bite.
It is important to note that while incense smoke releases only small quantities of particles into the air, it is still recommended to keep the area ventilated when burning citronella incense to ensure a safe and pleasant experience.
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Risks of incense smoke inhalation
Incense smoke inhalation carries several risks and may be comparable to, or even more harmful than, passive smoking. The emitted smoke is likely to be inhaled and may result in respiratory problems, including bronchitis and bronchiolitis. A prospective cohort study of over 4000 school children in Hong Kong from 2012 to 2014 found that burning incense negatively impacted lung function and lung function development.
Burning incense has also been associated with an increased risk of cardiovascular disease and cancer. A 2020 study found that incense burning may cause issues with brain health in adults over 65, including delays in cognitive performance and decreased brain connectivity.
In addition to these long-term health risks, incense smoke can cause acute irritation of the eyes, nose, and throat. A study of adults from six large Chinese cities found that around 15.1% of homes that burned incense reported weekly symptoms of eye, nose, and throat irritation.
The characterization of the smoke generated by burning incense indicates that it contains carbon dioxide, carbon monoxide, sulfur dioxide, formaldehyde, nitrogen dioxide, polycyclic aromatic compounds, volatile organic compounds, and particulate matter. These harmful constituents are released due to the incomplete combustion of incense, which occurs during its slow continuous burn.
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Citronella incense and pets
While citronella incense is a popular option for repelling mosquitoes, it is not entirely safe for pets, especially dogs. Citronella candles, torches, and essential oils can irritate your dog's mouth, throat, and airways, leading to gastrointestinal issues like vomiting and diarrhoea if ingested. In addition, the wax in citronella candles may act as a laxative and cause severe diarrhoea.
Citronella plants, which are toxic to dogs, can cause mild to severe poisoning if ingested. The plant's essential oils and tannic acid are gastrointestinal irritants for dogs. Therefore, it is best to keep your pets away from citronella plants in your garden.
If your dog ingests a citronella candle or plant, they may exhibit poisoning symptoms such as lethargy, panting, vomiting, or muscle weakness. In such cases, contact your veterinarian immediately. Do not induce vomiting without professional advice, as it may worsen the situation.
While citronella candles are generally safe for dogs to be around, there are certain precautions that pet owners should take. Firstly, keep citronella candles out of your dog's reach to prevent burn risks and potential ingestion. Secondly, use citronella candles in well-ventilated areas, and do not leave them burning unattended. Lastly, carefully read the labels for any harmful ingredients and discontinue use if you notice any adverse reactions in your dog, such as skin irritation, sneezing, or itching.
Instead of citronella, consider using pet-safe alternatives to repel mosquitoes. For example, you can plant catnip, basil, lemon balm, or marigold plants, as mosquitoes are repelled by these plants, and they are not harmful to dogs. You can also use mosquito-repelling fans or speak to your veterinarian about medications like Advantix and Vectra.
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Citronella incense for aromatherapy
Aromatherapy is a holistic healing treatment that uses natural plant extracts, known as essential oils, to promote health and well-being. Citronella incense, derived from Cymbopogon (lemongrass) plants, is a popular choice for aromatherapy due to its fresh citrus scent and therapeutic properties.
Citronella incense has been used for centuries in natural healing, aromatherapy, and insect control. Its vibrant, lemony fragrance is known to relieve stress, anxiety, and mental fatigue. It also has antimicrobial and antifungal properties, making it an excellent air purifier. Unlike synthetic air fresheners, it does not contribute to indoor air pollution. Citronella incense is free of harmful chemicals, providing a safer alternative to traditional mosquito repellents that may contain ingredients like DEET, which can cause skin irritation and respiratory issues.
To use citronella incense for aromatherapy, place the sticks in a holder or plant pot, ensuring proper ventilation in the room. For larger areas, burn multiple sticks in different corners. Citronella incense is suitable for use in bedrooms, living rooms, patios, balconies, gardens, and during outdoor activities. The smoke will naturally deter mosquitoes and create a tranquil, insect-free environment.
When using citronella incense, it is important to follow safety guidelines. Keep the product out of reach of children and pets, and do not consume it internally. Always dilute citronella oil properly before topical applications, as undiluted essential oils can cause skin irritation or allergies. If you are pregnant, breastfeeding, or taking prescription medications, consult your doctor before using citronella incense for aromatherapy.
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Frequently asked questions
While citronella incense is a natural insect repellent, it is a smoke-emitting substance that may be accidentally inhaled. A 2021 study found that particulate matter in incense smoke contains carcinogens and irritants, which could lead to respiratory diseases such as asthma.
Citronella incense has many health benefits, including its properties as an antiseptic, antidepressant, anti-inflammatory, deodorant, diuretic, antibacterial, fungicidal, tonic, and stimulant.
Yes, in addition to the health risks associated with burning incense, citronella incense may not be safe for pets. If you have pets, you should consult a veterinarian before using citronella incense.











































