Saves time & mess. Easier than sanding!!! Paint Deglosser by Zinsser prepares dirty or glossy surfaces for new paint or finish. Eliminates the need for sanding and cleans surfaces to minimize chipping, cracking and peeling between old and new finishes. Works on latex or oil-base paints, enamels, varnishes and other finishes. Increases adhesion. Helps new paint bond to old finishes. Cleans and removes dirt, stains, grease & wax.