The possibilities with watercolour are ever expanding, and now artists can use watercolour mediums to experiment with finish and texture. Watercolour mediums are added to watercolour paint to create a fresh, new desired look. Whether you're looking for pearlescent, iridescent or gloss finish, Cowling and Wilcox supply the watercolour medium for your style of art. We supply watercolour mediums from a wide range of leading art brands, such as Schminke and Winsor & Newton. Shop online today.