According to the vast majoritity of medical research, ear candling does not work. Ear candling is not a safe practice. Two people have burned houses in recent years with candling.
You would stick one side of the candle in your ear and light the other,the candle is hollow paper with normal wax. It removes the wax safely with no discomfort.
Ear candling is safe as long as you go to a reputable practitioner. There is some controversy as to whether or not it is effective. You can give it a try and see if it works for you. Some people find it effective.