Thins, cleans and preps paint and paint surfaces. Can be used to thin any color of oil-based paint, stains and varnishes without affecting the color of the dried paint. Ideal for removing grease, and dirt from metal, plastic, wood, and painted surfaces sopaint will adhere better. Also excellent for clean-up after a painting project by removing paint spills and cleaning brushes, pans, buckets, rollers, stirring tools, foam applicators, and spray equipment. Milky-white.