Mar 8 • Candle Making
Why people think essential oil candles are dangerous
Lately I’ve seen a lot of posts claiming essential oil candles “explode” or are unsafe. Some of this is even coming from AI summaries online, which is making the confusion worse.
The claim usually comes from a misunderstanding of flash point.
Flash point simply means the temperature where a liquid can produce vapour that could ignite if exposed to a flame. It does not mean the oil will spontaneously combust.
In a candle, fragrance or essential oil is mixed into the wax. The candle flame is sustained by wax vapour, not by a pool of pure oil. The wax acts as the fuel and the oil is released gradually as the wax melts.
Both fragrance oils and essential oils are flammable liquids, yet both are used safely in candles every day when the candle is formulated correctly.
Real candle safety depends on things like:
correct wick size
proper fragrance load
stable containers
good testing
Not whether the scent comes from an essential oil or a fragrance oil.
Unfortunately a lot of misinformation spreads online because people repeat simplified rules without understanding the science behind how candles actually burn.
As makers, it’s important we stick to testing, formulation knowledge, and real candle science, not internet myths.
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Why people think essential oil candles are dangerous
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