Red VioletTalens Ecoline Brush Pen Red Violet 545 is based on dyes and Gum arabic. The colours of Talens Ecoline are astonishingly bright and brilliant. If you wish, you can easily decrease the colour intensity through thinning with water or with the Brush Pen blender. Store the original works of art in a portfolio for optimal colour retention. The concentrated formula of the Talens Ecoline in the Brush Pens ensures for a seamless transition with the Talens