At 9 am all of our eyeliners will be razor-sharp. By noon, however, they have migrated, smudged, or disappeared entirely. This is due to humidity, long commutes and oily lids, or even a simple eye rub. This gel liner is perfect for marathon wear. It delivers a rich black pigment and a creamy glide. It sets quickly. The waterproof, transfer resistant formula is designed to withstand sweat, humidity, and long days.