The basics A high-strength, general-purpose cleaner, great for cleaning any airbrush or any artist tools where acrylics, watercolors, gouache, inks or dyes are used. The benefits Environmentally safe and ready to use. The uses Works well on all models of airbrushes, synthetic and natural-haired paint brushes, and is excellent for use in the ultrasonic cleaning of technical pens. The bottom line Apply in the needle cap and along the needle to enhance paint flow and prevent tip drying.