
Incense is a substance that is burned to produce a scent. The aroma of incense typically lasts between one to twenty-four hours after the incense finishes burning, depending on the type of incense, the size of the room, the airflow, and the ingredients burned. For example, some high-end agarwoods can scent a room for twenty-four hours, while some lighter floral scents may dissipate more quickly. Incense is used in many cultures for hygienic, spiritual, and religious purposes, and in recent years, it has been adopted by the Western world to create a calming atmosphere at home. However, recent studies have also suggested that burning incense may have negative health effects, such as triggering asthma and increasing the risk of respiratory diseases, heart disease, and cancer.
| Characteristics | Values |
|---|---|
| How long does the smell linger? | Anywhere between 30 minutes to 24 hours depending on the type of incense, size of the room, surrounding airflow, and ingredients burned. |
| Health impact | Recent studies suggest that incense smoke may trigger asthma, chronic inflammation in the body, and contains carcinogens that could lead to respiratory diseases and an increased risk of heart disease and cancer. |
| Usage | Incense is used in most major religions and for hygienic and spiritual purposes in many cultures. It is also used during yoga and meditation for help with relaxation and focus. |
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What You'll Learn

Incense and health
The lingering fragrance of incense depends on the type of incense, the size of the room, and the ingredients burned. Incense typically leaves a scent that can last anywhere between 30 minutes to twenty-four hours.
However, the pleasant smell of incense comes with some health risks. Burning incense releases smoke, which contains toxic and irritant compounds alongside its aromatic compounds. These toxic compounds include particulate matter, which can be easily inhaled and can have negative health outcomes. The fragrance material in the incense generally originates from plant extracts, but incense can also contain unnatural ingredients.
The health risks associated with incense burning include respiratory problems, such as triggering asthma and other respiratory allergies, and an increased risk of cardiovascular diseases and cancer. A 2020 study also found that burning incense may cause issues with brain health in older adults, including delays in cognitive performance and a decrease in brain connectivity.
While the medicinal nature of incense and its potential mental health benefits are acknowledged, with many cultures burning incense for hygienic and spiritual purposes, the health dangers of incense cannot be overlooked. Consumers are advised to be cautious and aware of the potential risks associated with burning incense, especially in small spaces.
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Incense as a space-clearing technique
Incense has been used for centuries as a way to energetically cleanse a space. In the Shinto tradition, for example, incense is used to ward off negative energy.
When it comes to cleansing your space, it is recommended to start by opening a window in each room to give the smoke and negative energy an escape route. You can then light an incense stick and let the flame burn for around ten seconds before blowing it out and placing the stick in an incense holder. As the incense burns, you can say positive thoughts, prayers, mantras, affirmations, and intentions out loud or to yourself. For example, you could say, "I cleanse this room of all negative energy and fill it with light and love."
It's important to note that the scent of incense will linger for different amounts of time depending on the type of incense, the size of the room, and the airflow. Incense sticks typically burn for 20 to 60 minutes, and the scent can last anywhere from 30 minutes to a full 24 hours after the incense is done burning. For example, Japanese and Tibetan incense tends to leave a fragrant scent in the room for a few hours, while generic joss sticks bought from a local store may only leave a subtle scent for a short time. High-end agarwoods can scent a room for up to 24 hours, while lighter floral scents may dissipate more quickly.
While incense can be a helpful tool for lifting dense, stagnant energies in a cluttered home, it is important to note that aromas of any kind do not bring about permanent change. As soon as the incense smoke disappears, any uplifting effect is lost. Therefore, while incense can be a useful tool for space clearing, it should be combined with other techniques for a more lasting impact.
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Incense ingredients and scent duration
The duration of an incense's scent depends on its ingredients, the style of the incense, the size of the incense stick, the surrounding airflow, and the angle of the incense stick. Typically, the aroma of incense will last anywhere between one to twenty-four hours after the incense is done burning.
Incense sticks typically burn for about 20 to 60 minutes. After the incense sticks burn out, the scent can linger for quite a while. For example, some high-end agarwoods can scent a room for a full twenty-four-hour period, while some lighter floral scents may dissipate rather quickly. The scent of pure resin incense, such as frankincense or myrrh, often lasts longer than an incense stick.
The ingredients used in incense vary across different regions and cultures. Agarwood and sandalwood are the two most important ingredients in Chinese and Japanese incense. Japanese incense companies divide agarwood into six categories depending on its properties and the region from which it is obtained. Kyara, a type of agarwood, is currently worth more than its weight in gold.
In most Arab countries, incense is burned in the form of scented chips or blocks called bakhoor. The bakhoor is usually burned in a mabkhara, a traditional incense burner similar to the Somali dabqaad.
Indigenous peoples of North America have historically used sage and cedar as incense ingredients. The ancient Egyptians burned frankincense and myrrh, and these remain popular in Christian churches.
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Incense alternatives
Burning incense can leave a pleasant aroma in the air, but it also has several health risks that most people are unaware of. The scent of incense burning is often associated with spiritual fulfilment and New Age vitality, but the truth is that it releases a carcinogen called benzene into the air. If you are looking for alternatives to incense sticks, here are some options:
- Essential oil diffusers: These are a popular alternative to incense as they provide fragrance without the smoke. You can use essential oils like sandalwood or frankincense, which are common ingredients in meditation incense. Floracopeia is a highly recommended brand of essential oils.
- Candles: Candles that release the scent of essential oils are another alternative. These are healthier and more natural than incense sticks.
- Homemade deodorizer: This is a simple, healthy alternative to incense. All you need is a little baking soda and essential oils. Simply drip the oils into the soda, shake, and let it sit. The scent will be released into the air and can last for weeks.
- Oil burners: Oil burners are another healthy alternative to incense burning. Place a small cup or saucer over a mild heat source, and add essential oils mixed with a little water.
- Baking: Baking food in the oven can fill your home with pleasant aromas. Cinnamon apples, for example, can fill the air with a sweet scent.
- Non-burning incense: There are non-burning incense blends available that release fragrance without the need for burning. These are a good option if you want to avoid the smoke and ash that come with traditional incense. Soul Space is a popular brand that offers these non-toxic alternatives.
- Aromatics: The Japanese use little sachets full of aromatics in their drawers and kimono sleeves. Shoyeido offers sachets and body powders with pleasant fragrances.
- Indirect heating: Resins, wood chips, granulated incense, and kneaded/paste incense can all be indirectly heated instead of burned to release fragrance.
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Incense in various cultures
Incense is an aromatic material that has been used across various cultures for centuries. Its use varies from aesthetic reasons, religious worship, aromatherapy, and even as a simple deodorant or insect repellent. The form and type of incense differ across cultures, with the two main types being "direct-burning" and "indirect-burning".
Incense in Ancient Egypt
Incense was prominent in ancient Egyptian culture, where it was used in religious rituals and daily life. The Egyptians crafted intricate incense burners from materials like clay, bronze, and gold, often in the form of animals or deities, symbolizing protection and blessings. They frequently used resins from trees like frankincense and myrrh due to their aromatic qualities.
Incense in China
Incense has been used in Chinese culture since ancient times, with its usage peaking during the Song Dynasty. It was burned during festivals and processions to honour ancestors and household gods. The Chinese also incorporated incense into their traditional medicine, with cone incenses containing mugwort used for moxibustion treatment.
Incense in India
Incense holds a significant place in Indian culture, especially in spiritual and religious practices. It is widely used in places of worship, homes, and workplaces. Various types of incense sticks, cones, or powders are made from natural ingredients like sandalwood, jasmine, and herbs, each chosen for its ability to invoke deities and create a sacred atmosphere.
Incense in Japan
Japan is another country where incense is prevalent, with a wide variety of flavours and incense holders available. The Japanese incorporate incense into their daily lives, using it in homes, offices, temples, stores, and restaurants. They believe that incense helps drive out negative energy, cleanse their surroundings, and connect them to their inner beings.
Incense in Other Cultures
Incense has also been used in ancient civilisations such as Mesopotamia, Greece, Rome, and Babylon. Additionally, it has influenced various religions, including Judaism, Catholicism, Islam, and Buddhism. The use of incense continues to evolve and spread across different cultures, adapting to new technologies and lifestyles.
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Frequently asked questions
The smell of incense typically lasts anywhere between one to twenty-four hours after the incense is done burning. However, it depends on the type of incense, the size of the room, the ingredients burned, and the airflow.
The lingering of the incense smell depends on various factors such as the type and quality of incense, the size of the room, the ingredients, the airflow, and individual sensitivity to smells.
Yes, recent research suggests that burning incense may have negative health effects. The smoke released contains particulate matter with natural and unnatural ingredients, which can be easily inhaled and may cause respiratory issues, asthma, allergies, and potentially cancer.
Some alternatives to burning incense include using essential oils, oil warmers with beeswax candles, or ethically sourced sage smudge sticks, frankincense resin, or juniper sticks.











































