This high performance cleaning technology is designed to provide a high-sudsing, soap free, dry-foam, shampoo that cleans, and brightens. This shampoo dries to a crystalline residue, which encases grease and dirt for easy vacuuming. This product cleans t he carpet fibers more thoroughly than any product on the market today. It is most effective on carpets that have been previously treated with a mill-applied fluorochemical stain-resistant treatment.