The Revlon ColorStay Liquid Eyeliner delivers rich, smudge-proof color that stays put for up to 16 hours. Its ultra-fine tip makes it easy to create everything from sharp wings to soft, subtle lines. The waterproof formula means no flaking or fading, just bold definition that lasts all day. Whether you’re going for a classic cat-eye or a graphic statement, this liner is your go-to for effortless eye looks.