The best lip treatment on the market, pucker up and nourish your lips with BioRepublic's unique biocellulose lip mask. While different lip masks have no slit for the mouth or just a straight line across, BioRepublic's contoured slit delivers more serum to all parts of the lips. The serum is formulated with a variety of clean and effective ingredients including glycerin, hyaluronic acid, and collagen so anyone and everyone can enjoy soft, moisturized, and luscious lips for days and not hours.