What it is: A leave-on lip mask that helps strengthen the lip barrier, delivering long-lasting moisture.What it does: Deeply nourishing, it wraps your lips in a replenishing layer of Omega-rich fatty acids to soothe dryness and prevent moisture loss. Hyaluronic acid hydrates and visibly improves your contour, leaving lips smooth and supple.Research results:In an immediate test on 32 subjects:- 100% showed immediate improvement in moisturization- 100% showed immediate relief in dryness- 96% showed immediate improvement in lip smoothnessHow to use: Using the spatula, apply to clean lips before bed and leave on overnight. 0.3 oz. Paraben-free Made in the USA