PCA SKIN Overnight Lip Mask is an ultra-hydrating, leave-on nighttime treatment designed to intensely nourish and moisturize the lips. Formulated with a unique blend of emollient ingredients, it helps retain essential moisture, promoting softer and smoother lips by morning. Regular use can minimize the appearance of lip lines and soothe chapped lips. This fragrance- and paraben-free mask is suitable for all skin types.