User blog comment:Zathronas/Analysis by an author: Volume 2 episode 11: No brakes/@comment-3146930-20141024021616/@comment-10380701-20141024040146

I think she can.

That's the only explanation as to why she suddenly murders the shit out of the Ursa all the way back in Volume 1 when she literally didn't get hit.

To add to that, in the afterbuzz interview, Yang's hair is the storage for the energy she absorbs. Like Samson apparently.

This also explains why she's salty when it gets cut: Her super meter is literally being shortened.