Water-based and ready to use. It allows to protect decoupage and painting also from dishwasher, forming an insulating film thin and transparent. Make sure that the work is dry, apply the finish taking care to cover the entire surface, in particular by sealing the edges. Allow to dry 24 hours before putting in dishwasher. You can use it on glass and ceramics, dishes, teapots and cups and everything we want to wash in the dishwasher.