Purified Odor-Free Solvent For Thinning Oils. StudioSolv™ is a purified, odor-free oil-thinning medium. It's designed to thin oils and mediums while maintaining the integrity of your color. Add sparingly to your oil paints, and experiment with different ratios to find the consistency you prefer. Although aromatic solvents have been extracted to remove odor, adequate ventilation should be practiced for safety. Archival quality varnish for oil, alkyd, and acrylic. InstaVar™ by Tusc & Pine enriches the colors in your painting under a protective, even sheen. The nearly odorless, crystal-clear varnish does not yellow with age. Once your painting is dry to the touch, preserve it by brushing on a thin layer of InstaVar™. You will instantly notice that your colors have a brilliance and depth of color they didn't have before. InstaVar™ may be applied when the paint is dry to the touch and firm in its thickest sections. Some paintings might take 2 weeks to dry, while those in humid areas might take 2 months. If necessary, you can safely remove the varnish with StudioSolv™.