For thinning oil colour and cleaning brushes and other art materials. Composed of portuguese gum turpentine (distillate from resinous balsam of the pine tree). Makes oil paint leaner (use in lower layers). Allows brush stroke to run. Suitable for removing (dry) varnish coats. Suitable for dissolving (natural) resins. Also for thinning mediums and varnishes for oil colour. Flammable.