Introducing Optimist Mixable Color, our original ink for art and design. Optimist is made with natural shellac, a beautiful organic resin that binds pigment to paper, resists UV radiation, and dries totally waterproof. Unlike many drawing inks, Optimist includes only lightfast pigments, so the colors mix perfectly, and your work can be displayed for many years without fading. Use & Care Tips Using Optimist Mixable Color is simple: grab a dip pen or brush and get some ink on it. You can use Optimist straight from the bottle; it's highly fluid and moves smoothly across paper. You can also dilute it with Optimist Colorless Medium, the purest form of our water-based shellac. (Dilution with water is possible, and produces some nice textures and effects, but please note that adding water will change the characteristics of the ink and make it less waterproof.) Optimist dries quickly (within a few minutes for a normal application), so you can layer mo