Water Base Mixing Medium Buildable Coverage, Customizable, Multi-Effect Formulated to dilute and mix with M·A·C pigment, powder or liquid makeup. Used to create effects from sheer to opaque. Perfect to decorate the face or body. Created for those who like to design their own shades and colours. Mix with pigments and powders to create anything from full, opaque coverage to a sheer wash of colour. Useful for adhering Glitter to the skin.