Winsor & Newton Artists Retouch Varnish is a UV-resistant gloss varnish that gives temporary protection to recently completed oil paintings. This is a clear liquid varnish, which dries to a non-yellowing, glossy film. It gives temporary protection to recently completed oil paintings. Ensure painting is touch dry. Use thinly. Do not use as a medium. Details: Clear 75 mL UV-resistant gloss varnish Non-yellowing, quick-drying, glossy film Protects oil paintings