WHAT IT IS: A studio-tested, life-proven shadow primer that locks on more vibrant color for a full 24 hours! WHY YOU"LL LOVE IT: We tested it and proved that it truly lasts in real life for a full 24 hours-whether you"re at an A.M. yoga class or after-hours drinks. JUST THE FACTS: · Sweat & humidity-resistant · Locks on color for 24 hours · No fading, creasing or smudging · More vibrant color-instantly! HOW TO USE IT: Apply a thin layer to bare lids. Wait 30 seconds, then apply shadow. Going for a cat eye? Don"t forget primer on those outer corners