What it is: An oil-free, multipurpose precision pencil that defines your lip line and brow arches, conceal imperfections, and apply it to the waterline to brighten your eyes. What it does: Cover FXs Perfect Pencil lets you conceal and define your features with precision. Emphasize the lip line and brow arches in a single stroke, creating a matte-to-velvety finish. Conceal imperfections and brighten up the eye area when you apply it to the waterline, and use it to define the lips and prevent lipstick from b...