While we haven’t invented the tool to goof-proof everything in life, we do have something to keep your brow application botch-free, or better yet, goof-proof. Meet Goof Proof, the buildable brow pencil that glides on smooth as butter, so filling and shaping your brows is a total breeze. Plus, it’s waterproof and smudge-proof. Turns out work-of-art brows can be achieved on the first try.