Sebaceous Cyst More Condition_symptoms How Can I Get Direct Heat On A Sebaceous Cyst Inside The Ear?

How can I get direct heat on a sebaceous cyst inside the ear? - sebaceous cyst more condition_symptoms

My husband has an atheroma in the ear canal, and I would try to treat them with warmth. How do I get direct influence on the cyst in particular? I use a heating pad, but I said concentrate "the heat directly into the cyst. Ideas?