Apparently they don’t work, and they’re dangerous. I’ve never used them myself, but know people who have. I recently found out that they don’t draw the wax out of your ears. That discharge, is the molten wax of the candle itself.
Dangerous? Yep. Apparently there have been cases of hot wax dripping down inside people’s ears. Ouch! Enough to make me never want to have a go.
Find out more here.