No sharpening necessary! Our mechanical eyeliner pencil with built in sharpener creates defined eye looks and glides on smooth with precise definition - all in one easy stroke. The contoured smudge tool makes blending easy. Ophthalmologist tested. Suitable for sensitive eyes and contact lens wearers. Maybelline Define-Line-Mechanical pencil eyeliner creates defined eye looks. Maybelline Define-A-Line Glides on smooth and precise in just one stroke. Smudge tool makes blending easy.