"We don't...really keep clothes around." When they wanted to change their look (and they never did) they were able to do it through their powers. But that rarely happened. "He probably won't even notice."

Lucifer would have gone to scrub his hands clean if he'd been a little more considerate. But he wasn't, it didn't occur to him, and he rested his hand on Sam's shoulder. "I'll try to heal you. Just relax."