Mineral spirits are a type of solvent commonly used in painting and cleaning. They are derived from petroleum and are effective for thinning oil-based paints, varnishes, and stains. Their ability to dissolve grease and grime makes them useful for cleaning brushes and tools after painting. In addition to their use in the arts, mineral spirits can also be found in various industrial applications. They are often used in the production of adhesives, coatings, and inks. While they are effective, it is important to use them in well-ventilated areas due to their strong fumes.