Thing is, you have two parts to this. The damage you can see and observe for yourself and the damage that shows itself in your body that you get ‘used to’ leading you to think there isn’t anything wrong. Then comes your state operating as an outcome of the two. Also this “damage” can be as simple or as complicated as you like, anything far from optimal even for a bit is a reflection of some kinda damage happening inside your body. And by damage I don’t mean serious stuff.
(Then you can actually question here what is serious stuff?)
But here is where it has to do with skin and skin regeneration:
It doesn’t reverse fields no, yes you can use it.