Bad Gal 24 Hour Waterproof Eye Pencil Benefit. Waterproof eyeliner. A long-lasting, retractable lead eyeliner whose water-resistant formula offers a long-lasting rich finish and a completely matte finish. Its creamy consistency glides smoothly onto the eyelids allowing for a crisp, tailored line in seconds. Furthermore, in its lower part it includes a fusion sponge ideal for creating the most fashionable composition of the moment... the smoked ones. It does not require a pencil sharpener and lasts 24 hours.