As if you don't have any registered cell regen Quirk users. I can name a couple of the top'a my head.

[He finally looks up at her with a slight glare, but it isn't her fault. It's his, and he knows that. Still, with the resources the pro-heroes have, he knows that if they're working on it, it won't be long till they figure it out. It's nothing like the creepy, hack doctors the League has to work with.]

Anyways, you'll be fine. It ain't like you're on the front lines anyways.