This medium alkyd accelerates the drying, gives unctuousness, fluidifies the paste, increases the brightness, resists yellowing and is appropriate perfectly for the glacis.

Manufacturer's description:

Medium based on modified oils alkyds that gives it a slightly gelled consistency, improves the smoothness of the touch, accelerates drying, fluidizes the paste during work through its thixotropic properties. Gives gloss to the brushstroke, resists yellowing, well suited for glazing. Can be mixed in any proportion with oil colors.