QT, Surface Prep Krud Kutter, Branded Gloss Off, Liquid Deglosser/Sander That Can Be Coated Over After Only 10 Minutes, Simply Wipe On & Wipe Off, Unlike Solvent Based Products, Does Not Require Rinsing, Promotes The Adhesion Of New Paint & Varnish To Old Finishes All Paints, Polyurethane, Lacquer, Varnish As Well As Preparing Walls For Papering, Water Based, Earth Friendly Formula, No Harmful Vapors.