While I haven't asked the question of an authority, I was told that oils, lotions, etc. shouldn't be used because they might contribute to the burning of the tissues, and not because they might block something.
Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.
This is another custom island. This one could be used for ads. This spot is one of the best places for ads on your site to be placed. This can be enabled/disabled on a per forum basis.