EXTRACTO has been formulated to be used with all types of extraction carpet cleaning equipment. It revives the color and enlivens the fibers of carpet piles so that they actually rise with life. This product contains special cleaning solvents, which thoroughly clean all types of carpets. Leaves no sticky residue to quickly resoil carpet. Absolutely safe to use on any material that water will not harm. Equally effective in hard or soft water. This product is also recommended for use as an upholstery maintenance shampoo.