What Is Encaustic Technique? The encaustic technique is an ancient art form that uses heated beeswax mixed with colored pigments. Artists apply the molten wax to surfaces like wood or canvas, then use tools to shape and manipulate the wax before it cools. Popular in both traditional and contemporary art, encaustic painting is prized for its durability and versatility. This method offers endless possibilities for creating unique, textured artworks, making it a favorite among artists exploring innovative approaches to painting.