Laneige Lip Sleeping Mask Berry 20G The Lip Sleeping Mask Feeds Lips With Moisture Overnight, So That You Wake Up To A Smooth, Soft, Supple And Comfortable Lips. This Mask Effectively Sloughs Away Dead Skin Cells From The Surface Of Your Lips. This Formula Encourages A Smooth And Supple Feeling, Working Hard Overnight To Perfectly Prep Your Lips For Makeup Application That Comes The Next Morning.