Winsor & Newton Distilled Turpentine is a fast evaporating, highly refined essential oil with the strongest thinning & brush cleaning power of all Artists’ grade solvents. It is suitable for removing varnish, including Dammar Varnish. Keep tightly closed and away from light to prevent oxidation. Do not use if it has thickened. 2.5 ounces (75mL) per bottle.