Liquitex offers the broadest range of acrylic mediums to inspire creativity at every stage of the painting process. Varnish Mediums protect the painting surface from the environment and protect the pigments from ultraviolet light. Additionally, varnishes can be used to change or unify a paintingÍs surface sheen. Liquitex varnishes come in several different sheens which can all be intermixed for a customized sheen. Liquitex Archival Removable Varnish Finishing Medium is a low-viscosity, very fluid medium. Apply as a final varnish over dry acrylic or dry oil paint. Increases the depth and intensity of color. Dries to a clear, non-tacky, water-resistant hard film that is resistant to retention of dirt and prevents dirt and pollutants from contacting paint surface. Self-leveling, will not hold brush strokes. Flexible, will not crack as surface expands and contracts during temperature and humidity changes. Resists discoloring (non-yellowing, non-fogging) due to humidity heat and ultraviolet light. Protects painting against harsh elements. For interior and exterior use.