A leave-on lip mask powered by Korean skincare to soften lips while delivering intense moisture and antioxidants while you sleep. Enriched with Berry Fruit Complex, Murumuru Seed, and Shea butter. #1 Lip Treatment Brand In The US* *Circana, U.S. Prestige Beauty Total Measured Market, Skincare Brand Sales, 12 months ending December 2024 1 Lip Treatment sold every second* *Based on combined global unit sales from 2024 for Lip Sleeping Mask and Lip Glowy Balm Cosmopolitan Beauty Readers' Choice Awards - 2025 Hall of Fame, 2x Winner This Korean lip care icon is a hydrating, intensive-care mask for lips. With nourishing Berry Fruit Complex, Murumuru Seed, and Shea butter, it delivers intense, lasting moisture and antioxidants overnight for visibly smoother, baby-soft lips in the AM. CLINICAL RESULTS: Based on a 1-week clinical study on 32 women ages 25 to 35: 8-HR Hydration 135% increase in hydration immediately after use