BUTTER. Excellent for brush or knife to create a full range of impasto, opaque, or translucent glazed effects. Extends oil paint. Holds detail and shapely brush strokes.
Adds luminosity. Accelerates drying.
 
Res-n-gel® is a full strength, ready to use, synthetic resin gel. It is a transparent, full bodied medium which extends expensive oil colors. It is ideal for glazing effects. Res-n-gel® gives a buttery brush response, prevents colors from running, retains character of brush strokes, holds sharply defined detail, adds luminosity and brilliance to colors and accelerates drying. An excellent medium for painting with either brush or palette knife to create a full range of impasto, opaque, translucent glazed effects.
 
Non-toxic.