The varnish provides finished paintings protection from diret and grease and when dirty itself, can be removed with Artisan Varnish Remover. Artisan paintings should be allowed to dry completely before varnishing at least 6-12 months for thing vilms, longer for impasto paintings. Varnishes should not be used within the paintings as mediums. Satin Varnish should not be used on over absorbent or damaged paint films. Stir well before use. Satin Varnish may be applied over Gloss Varnish.