WHY DO WE VARNISH? For preservation and aesthetics of our art! Paints can fade and yellow from UV rays and they can lose their original flare over time which can lead to permanent deterioration. Most good varnishes have UV stabilisers that will prevent this. A varnish also acts like a barrier for dust, dirt and oils and will allow cleaning and wiping of the artwork without the dirt being absorbed by the paint itself. Some varnishes can really bring a piece to life and enhance its vibrancy and ov