Cleaning with Oreck Dry Carpet® Cleaning Powder keeps carpets looking like new because no sticky detergent residue is left behind to attract soil. Oreck Dry Carpet® Cleaning Powder particles are engineered to attract and absorb tough soil, stains, spots, odors, allergens and residues from all types of carpet and upholstery fiber (including nylon, wool, silk, oriental rugs and many others.)