Blair Retouch Damar Spray Varnish offers a protective coating for oil paintings and applies a thin, uniform film for a consistent finish. This lead-free damar varnish adds a shine to the finished design and contains no fluorocarbons. When applying Blair Retouch Damar Spray Varnish make sure paint is thoroughly dry. The drying time of the average oil painting is 3 to 6 months depending on the amount of paint used. Always apply varnish at room temperature in a dust free area and never under humid conditions. Available in a 10.75 oz. can.