Long-lasting, waterproof liner glides on smoothly to prime AND define—for long-lasting lip color and clean lines. Smooch. Pout. Smack. Nibble. Lick. 24/7 stays put through everything (yes, EVERYTHING) you do. When you use our liner to fill in your lips completely, it primes them for lipstick or gloss, grabbing on to color to help it last.