Well, that is what Xavier thought of that'd help the whole noise thing. His head has always been one of the strong points of his body, and you know the brain thing and how it made sure it wouldn't poison itself? Well, what I consider what happened here is that his subconscious, knowing what he was going to do, hardened the organs that'd be affected so the only thing that'd be hurt would be his skin. I can make it so that his face isn't drenched with blood, but I would prefer to have some there.