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 painting’s surface sheen. Liquitex varnishes come in several different sheens which can all be intermixed for a customized sheen. Liquitex Archival Permanent Varnish Finishing Medium is a lowodor, permanent and durable medium with waterbased technology, translucent when wet, clear when dry. Resists discoloring (nonyellowing, nonfogging) due to humidity heat and ultraviolet light.