Gouache to acrylic or oil paints in that it is normally used in an opaque painting style and it can form a superficial layer. Many manufacturers of watercolor paints also produce gouache and the two can easily be used together. Gouache paint is similar to watercolor, however modified to make it opaque. Just as in watercolor, the binding agent has traditionally been gum arabic but since the late nineteenth century cheaper varieties use yellow dextrin. When the paint is sold as a paste, e.g. in tubes, the dextrin has usually been mixed with an equal volume of water. To improve the
Water miscible oil paint Lukas (BERLIN), Martin F. Weber Co. (wOil), Reeves (tube sets and complete painting set), Royal Talens (Cobra Artist and Cobra Study), and Winsor & Newton (Artisan Water Mixable Oil Color). Although this type of paint may be thinned with water, artists may prefer to use specially prepared mediums for improved texture and control. These mediums improve flow (i.e., make the thinned paint less runny and more easily controlled) and can slow or speed up drying time. Mediums are offered by many of the paint manufacturers. Royal Talens also has produced a water mixable painting paste that acts as a thickener