COSRX Balancium Ceramide Lip Butter Sleeping Mask is an overnight lip treatment that provides intense hydration and repair. This nourishing formula features shea butter and ceramides to deeply moisturize dry, chapped lips while you sleep. Key features: • Contains shea butter and ceramides for deep moisturization • Non-sticky, colorless and unscented formula • Butter-like texture that melts at body temperature • Creates a protective barrier to lock in moisture • Can be used as both daily lip care and overnight mask • Suitable for dry and sensitive lips The mask comes in a 20g jar with a screw-top lid. The buttery texture transforms into a smooth, protective layer when applied to lips. For best results, apply a generous amount before bedtime and let it work overnight. Can also be used during the day as needed for lip moisturization. The formula is free from artificial fragrances and colorants, making it suitable for sensitive skin.