He glances down at the cloth held out to him, before tentatively taking it from him. John is offering, after all. He wouldn't be offering if he didn't want Ianto to take up the attempt himself once more.

"I got something for that," Ianto replies, shifting to sit forward and join the other man on the bed. "For once it's clean," he adds, after a moment, before reaching for the bowl and setting it aside on the other side of himself. Dipping the cloth in it again to freshen it again.

"Tell me if any of this is too much," he asks softly, before reaching forward to start to clean away some of the dried blood himself. His touch is gentle, but it can only be so much so, given the state of the other man's arm.