Length gel eyeliner Bobbi Brown, It is a high precision eyeliner with una Long-lasting gel texture. The ultimate gel eyeliner, the original. Una unique gel formula that allows for accurate and easy application, with una Lasts up to 12 hours, resists water, sweat, humidity, and friction. Its gel texture glides easily on the skin, leaving highly pigmented lines that won't crumble or fade. tempo. You can create any look from subtle and smooth to dramatic.