Egg Tempera Medium is used to extend the color and increase the moisture the paint film which will improve the flow of the paint. The Sennelier Egg Tempera Medium’s formula was developed in 1892 by the company’s founder and chemist, Gustave Sennelier. This medium also keeps the integrity and permanency of the paint film when thinning the color, instead of thinning solely with water. Tempura can be extended in any proportion with this medium, A formulation from the classical and authentic formulas used by artists during the Renaissance, Increases a color’s transparency while maintaining the satin finishDetails:Satin finish60 mLFor Tempera paint