SAME AS REGULAR GHOST BOND except that this series has better resistance fromwet/water Ghost Bond XL was specially formulated by Professional Hair Labs.With new improved features which include, extra moisture protection and highermelting point, you can have peace of mind and confidence that your bondingadhesive will hold up to the most intense climates. formulated under theauspices of a team of chemists who develop surgical adhesives. ProfessionalHair Labs always puts safety first. Ghost Bond contains no latex, no harshsolvents or any of the irritants frequently found in cheaper formulations. Ithas been specially formulated for oily scalps, high humidity, and heavyperspiration. Ideal for attaching your lace or skin system to your head.