Occasionally paraffin candles are scented. They have to use petroleum-based fragrances that are compatible with the paraffin as natural essential oils are broken down by the petrochemical-rich wax.

According to the National Candle Association, paraffin is the most popular candle wax worldwide. The material does not have a ton of research surrounding it, but the few studies that have been ...

Paraffin wax candles are also known for producing soot, which can leave marks on candle vessels and may contribute to indoor air pollution. The wick is another crucial component to be aware of.

Indeed, some research has also shown that burning paraffin wax candles can create more indoor air pollution when burned than alternatives like palm stearin. Many experts point specifically to the ...