Winsor & Newton - Oil and Alkyd - Dammar Varnish - 250 ml - Winsor & Newton Dammar Varnish is a pale yellow oil painting varnish that dries quickly to a protective clear layer with a high gloss finish. For use on paintings, prints or drawings. Like any varnish, make sure that your oil painting has had adequate time to dry before application. Dammar Varnish prevents damage to your artwork by protecting against exposure to dust and dirt. Dammar Varnish does darken with age, so please be advised before use. Dammar Varnish is hazardous, and flammable, so use caution when working with this product. Read safety instructions prior to use.