A universal and acid-free agent that promotes a strong connection of the artificial material with the natural nail plate. It acts as a double-sided tape between the base coat and the natural nail. It does not contain acids, so it does not disturb the pH balance of the nail plate. It is used when modeling nails and coating with gel varnish. DNKa' Ultrabond is perfect for fragile, thin nails prone to peeling, prevents the appearance of peeling and chips.