Matisse Structure Formula is a rich impasto acrylic paint that is ideal for application with a brush or palette knife for striking textured effects. When applied undiluted by brush or knife, it gives a rich deep impasto finish. The colours may be thinned with water for washes and watercolour effects. It is water resistant, permanent and totally flexible in light and heavy impasto applications. Only the finest quality pigments & ingredients are selected for the Matisse range of premium acrylics.