Protect the surface of your wares against liquids, dirt, and abrasion with Duncan Pure Brilliance Brush-On Clear Glaze. Designed for use on earthenware clay bodies, this high-performance translucent gloss enhances underglaze colors. The formula starts off green, making it easy to see where its applied, and dries to a clear, glossy finish. - Duncan Clear Glazes - Pure Brilliance, Brush-On, Pint.