I have a sebaceous cyst on my back that I have had for years. Every so often I go to the doctor to have it drained if it gets too large.
My dermatologist tells me that if I want to get rid of it, my best chances are to have it surgically removed.
I have tried various sebaceous cyst home treatment remedies, but none of them have worked for me.
As far as using a hot compress, I might not have stuck with it as long as I needed to. I just gave up on trying to treat it naturally as it is something that is not visible and doesn't really bother me unless it gets real big.