For Pro's and DIY'ers, Klean-Strip is the leading brand of solvents, thinners, removers and cleaners that are dependable for reliable results. Klean-Strip Paint Thinner effectively thins oil-based paint, stain and varnish. It can also be used to clean brushes and equipment immediately after use. Do not use as a thinner for latex paint or other water-based coatings, lacquer or shellac. Read entire label prior to use or storage. Keep out of reach of children. Not for sale in California.