Upholstery Shampoo: The Treatment® Upholstery Shampoo is a biodegradable, concentrated, industrial strength, nontoxic shampoo that is a remarkable cleaner. Formulated to remove both oil and water based stains. Contains a built in odor neutralizer to control musty odors from used cars. Removes bugs from painted surfaces too! Can be diluted for general cleaner or used full strength for heavily soiled areas.