Lucifer turns in an attempt at making room and at keeping his back out of Daniel's view, though the mirror on the wall behind him makes that essentially impossible; he doesn't want the man to take much interest in the two burns he has, running from shoulder blade to mid-back. They are shiny and red and fairly fresh, still mottled around the ugly yellows and greens of a healing bruise, from when his wings burned all the way down to the root.

"I think I can take it from here."

And even if he has trouble, he'll muddle through it. He has seen things washed before, it can't be that difficult in practice-- soap, washing cloth, apply directly to the forehead dirty areas.

This is your cue to exit stage left, not pursued by angel.