The Amaterasu 24 hour Eye Pencil is truly non smudge. You will not want to be without it once you have experienced it! This sweat proof, humidity-proof, vegan formula has been tried and tested by top makeup artists and makeup aficionados around the world who praise its ease in application and long wearing power. This professional formula will easily outlast your sweatiest workout or water activity. It is also the perfect travel companion for trips to hot and humid destinations.