Then I discovered it was a hoax.
http://www.healthcentral.com/drdean/408/14399.html
We lit one without inserting it into an ear, and indeed, the interior looked exactly like one that had. Same powder, same wax.
If you ever get the opportunity to do it, don't bother.
Apparently, it runs on wishful thinking and litle more.
Too bad, really. :(