clean candle. One of the first (and biggest) issues with conventional has to do with the type of wax used. Many older, mass-produced options use paraffin wax—a byproduct of petroleum—as the base.
Burning these candles “can emit toxins and carcinogens into the air, which can cause a variety of health problems,” , founder of tells Glamour.
Paraffin wax is smokier and produces more soot, which can turn your walls black in addition to polluting the air you breathe. (No thanks!)Next up, watch out for the wicks.
Mayne says that lead cores, which are typically used to hold the wick in place, have long been banned in the U.S., but some foreign-made candles may still contain them.
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