Scented candles are popular for creating a cozy and fragrant atmosphere in homes. However, many people are unaware that the fragrances released when burning these candles can trigger allergies and headaches. The scents come from a mix of chemicals found in fragrance oils, essential oils, and synthetic fragrances, which some individuals may be sensitive or allergic to. Symptoms can range from sneezing and itchy eyes to migraines and respiratory issues. Understanding these risks and learning how to minimize exposure can help you enjoy the ambiance safely.
Scented candles may cause allergic reactions and headache symptoms
Scented candles contain fragrances that are made up of various chemicals. When these candles are burned, the fragrances are released into the air, where they can be inhaled. For people with sensitivities or allergies, these fragrances can cause a range of symptoms, including:
- Allergic reactions: Congestion, sneezing, and itchy eyes
- Headaches: Migraines, tension headaches, and cluster headaches
- Respiratory issues: Coughing, wheezing, and shortness of breath
Common allergens in scented candles
Some common allergens found in scented candles include:

- Fragrance oils: These oils can contain hundreds of different chemicals, some of which are known allergens.
- Essential oils: While often considered natural and safe, essential oils can still cause allergic reactions in some people.
- Synthetic fragrances: These fragrances can be particularly problematic for people with sensitivities.
Ways to minimise the risks of scented candles
If you’re concerned about the potential health risks associated with scented candles, there are several steps you can take to minimise their impact:
Choose unscented candles : Opt for candles that are labeled as fragrance-free or unscented.- Use natural fragrances: Consider candles that use natural fragrances, such as essential oils, which may be less likely to trigger allergic reactions.
- Burn candles in well-ventilated areas: Make sure the room is well-ventilated to prevent the buildup of fragrances in the air.
- Limit burning time: Burn candles for shorter periods to reduce exposure to fragrances.
Alternatives to scented candles
If you’re looking for alternatives to scented candles, consider the following options:– Unscented candles: These candles provide the ambiance of candlelight without the fragrances.– Essential oil diffusers: These devices can provide a pleasant aroma without the need for burning candles.– Room sprays: Natural room sprays can be a quick and easy way to freshen up a room without the potential risks associated with scented candles.Also read | How a humidifier can improve your health, sleep, and home environment as season changes