Lorvic Bonding Prep is a beneficial, multiuse product recommended for use prior to sealant application, orthodontic bonding and bracketing, and bonded restorations. It is designed to increase bonding strength, and it also safely removes difficult stains when used as a prophy paste, which is done by mixing the mild 3% sulfamic acid powder with water. The bonding prep contains no oils, glycerin, or fluoride.