Wake up to softer, smoother lips with LANEIGE Lip Sleeping Mask Berry 3g — a nourishing overnight lip mask designed to deeply moisturize dry lips while you sleep. LANEIGE’s official product page describes the Lip Sleeping Mask line as a leave-on lip mask enriched with Berry Fruit Complex, Murumuru Seed, and Shea Butter to deliver intense moisture and antioxidants overnight.