[His pen taps unhappily against the paper as he peers at Todoroki's right hand, apparently checking for signs of said frostbite.]

Maybe some kind of first aid--oh, you have some in those capsules on your belt. [Izuku hums thoughtfully.] There's not a lot you can do about the frostbite until you're out of immediate danger, but we can add some gel for burns in the meantime.

...and we'll fix up your boots, too.