Do different color candles burn differently?
Do ear candles work?
Does ear candling work?
How do you get candle wax out of carpet?
How does a reed diffuser work?
How to shoot roman candles safely?
Which color candle burns the fastest?
how does it work
Do they just cover up the odors?
Generally speaking, yes. Some odor eliminating candles actually do have a catalytic conversion that does remove odors, but this isn't very common.
They do more than cover up the odor, they feed off of it. Some often have a chemical in the wax that will remove the odor from the air.
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