Conservation Retouch Varnish - temporarily restores colors for accurate color comparison. Allows oil paints to continue drying through the film. UV Archival Varnish - contains Hindered Amine Light Stabilizer (HALS) and UV Absorber (UVA) for the maximum in UV protection. Fine Art Fixative - is a low solid fixative that provides invisible protection to fragile dry media without dissolving whites and lights. Protects against dusting, smudging and. Fading.