Thicker than Sennelier extra-fine acrylic, it adds to the consistency of the paint. It retains the mark of the tool and keeps perfectly the imprint of the relief created. It improves the transparency, depth, and brightness of the colour. It can be added in any proportion to the paint. It can be mixed with thick matte gel medium to obtain satin effects. Water soluble. Transparent and water resistant when dry, it will not crack.