This concentrated interior and exterior shampoo is an excellent cleaner that lifts soils off fibers and permits easy removal. Cleaned surfaces are residue-free and fresh-smelling. Can be used manually or with wet/dry vacuums. All purpose shampoo is also a concentrated liquid car wash that offers economy without sacrificing high performance cleaning ability. Whether you use hard or soft water does not matter; All purpose shampoo produces thick, rich suds that lift away dirt and oily road film.