A fine colourless varnish, carefully formulated to protect your valued works of art from UV light, dust and pollution. Suitable for use on oil and acrylic paintings. When used as a final varnish, three coats should be applied, allowing each to dry before re-spraying. May be removed using Distilled Turpentine. Nuart Picture Gloss Varnish may also be used as a retouching varnish by applying one light coat to drying oil surface. Acid-free 400gm can.