Winsor & Newton

Ox gall is a wetting agent used for smooth washes and to enhance flow when mixed directly with watercolor. Reducing surface tension, It can also be used on very hard-sized paper. Add 3-4 drops per...

Add a little glitz and glam to your finished project or mix into your favorite ink, watercolor, or gouache for a custom-color sparkle. Pearlescent particles add metallic effects and are particularly...