LANEIGE Special Care Lip Sleeping Mask 20g is a popular overnight lip mask that helps to nourish and hydrate dry, chapped lips. It contains a variety of ingredients that work together to soften and smooth lips, including hyaluronic acid, shea butter, and berry extracts. The mask is designed to be applied to the lips before bed and left on overnight. In the morning, the mask can be gently wiped away to reveal softer, smoother lips.