Board Thread:Role Plays (AU)/@comment-24617443-20170605170731/@comment-5426254-20170620205356

The trick isn't what her hair is made of, it's that her Aura is put into her hair every time she uses her Semblance. They're strong enough to slice through concrete (from her page) because the concentration of the Aura is doing all of the heavy slicing and lifting, throwing, and blocking.