Removes tough industrial soils & stains, even old ones! DuPont Zelan ® stain blocker replenishes stain-resistant agents removed during cleaning. For water-based, oil-based & combination soils including motor oil, margarine, lipstick, fruit juice, coffee, wine, tea, spaghetti sauce & chocolate. Spray, then blot dry. Contains no phosphorus. Stock up & save! Application: Carpet; Applicable Material: Nylon; Wool; Chemical Compound: Alkaline; Material(s): n/a.