Winsor & Newton Conserv-Art Gloss Varnish A superior quality artists' gloss varnish. Dries to a lower gloss than Artists' Gloss Varnish. Readily removable over a long period of time (up to 100 years) with White Spirit or Turpentine. Dries quickly to a non-yellowing film, does not bloom or crack. May be mixed with Artists' Matt Varnish.