Bartoline Improved Clean Spirit ® is a highly effective water-based alternative to White Spirit. The high-tech formulation of low VOC components is non-hazardous, virtually odourless, non-flammable and contains all biodegradable ingredients. Clean Spirit can be used to clean all water-based, and most oil-based paints from brushes, rollers and paint pads and contains a conditioning agent leaving brushes soft and supple.