The waxed head  will make you immune to the damage and curses those Ghost Hands inflict, as seen below. The buff only lasts for a few minutes, but there's a couple pools spread throughout the grand archives, so you don't need to always run back to that one to reapply the buff.

[![enter image description here][1]][1]


  [1]: https://i.sstatic.net/4zz1X.jpg