As party season kicks into high gear, the last thing you want to worry about is reapplying your lipstick between bites of hors d'oeuvres. Not only is it inconvenient, it's also a surefire way to burn through your favourite tube in no time. What you need is a lip product that hydrates while staying put through every toast and canapé. And we're introducing some fresh contenders: lip tints and lip stains that are lightweight, buildable and formulated to last well into the wee hours. These are the must-buys our editors at Tira swear by when they need to skip the reapplication routine.