Matisse Transparent Gesso may be used by itself to give a translucent (not clear) underpainting primer with excellent tooth. It has been formulated to be mixed with Matisse Background Colours to give the perfect balance of “Tooth” for supports such as canvas, paper and wood, for overpainting with acrylic, watercolour, oils and alkyds. MM26 has been especially formulated as a high tooth primer for pastels, oil pastels, charcoal and graphite. It is non-yellowing, flexible and non-cracking