Yanliao. Pure vegetal and mineral pigments provide Chinese watercolour painting with their unrivalled and permanent colours. They are sized with deer musk and secure a perfect stability in paper.Due to their material density any quantity of water may be added to get fine shades without losing colour (on the other hand, young children use is not advisable). If a tube has been forgotten open and dried, empty the whole content in a colour saucer and just use it with a wet brush. Colours printed on the tube label show only a vague idea of the pigment. Pigments of the twelve tubes assortment have a lesser quality than the tubes sold by the piece. Gansai is the name for Japanese watercolour vegetal pigments. They are sized with gelatin and come only in plastic saucers.