Ekho2 is a dual color, capable of both reducing and striking. It works best if you choose one technique or the other. Ekho2 is a reformulated version of Ekho. The nucleation system used in Skylla and Skiron has been added, resulting in a glass that is easier to strike.
Ekho2 can be used as a surface luster, an encased pearlescent luster, struck on the surface, or struck under a thin encasement layer.