An Egyptian funeral portrait of a boy.
A 6th-century encaustic icon from Saint Catherine's Monastery, Mount Sinai.
Encaustic painting, also known as hot wax painting, involves using heated beeswax to which colored pigments are added. The liquid/paste is then applied to a surface — usually prepared wood, though canvas and other materials are often used.
The simplest encaustic mixture can be made from adding pigments to beeswax, but there are several other recipes that can be used — some containing other types of waxes, damar resin, linseed oil, or other ingredients. Pure, powdered pigments can be purchased and used, though some mixtures use oil paints or other forms of pigment.
Metal tools and special brushes can be used to shape the paint before it cools, or heated metal tools can be used to manipulate the wax once it has cooled onto the surface. Today, tools such as heat lamps, heat guns, and other methods of applying heat allow artists to extend the amount of time they have to work with the material. Because wax is used as the pigment binder, encaustics can be sculpted as well as painted. Other materials can be encased or collaged into the surface, or layered, using the encaustic medium to adhere it to the surface.
This technique was notably used in the Fayum mummy portraits from Egypt around 100-300 CE, in the Blachernitissa and other early icons, as well as in many works of 20th century American artists, including Jacqui Cornette, Jasper Johns and Mauricio Toussaint.
