The Masque Bar Vanilla Mint Lip Sleeping Mask is an intensive leave-on treatment designed to deeply hydrate and nourish lips overnight. Formulated with a unique vanilla and mint flavor, it works while you sleep to reveal visibly smoother, softer, and plumper lips by morning. Key ingredients include Peppermint Oil, which helps soothe cracked lips and provides a fuller appearance, and Shea Butter, which improves moisture retention. This vegan, cruelty-free, and gluten-free formula adheres to the lips to deliver a blend of antioxidants and moisture-rich nutrients. It is formulated without sulfates, parabens, mineral oil, or phthalates.