Picture varnish. Superfine Anti-UV Glossy Picture Varnish Aerosol. Protect your oil and acrylic art with our Superfine Anti-UV Picture Varnish Aerosol Gloss. This highly resistant, extra-fine quality varnish protects your art from dust, scratches, bluing and UV light. Spray 30cm from your support to quickly apply this soft, transparent varnish. Fast, comprehensive gloss coverage for conventional and unconventional supports. Its diluent is mineral oil.