Wee Away Odor Rescue Laundry Booster helps eliminate odors at the source by cleaning deep into the fibers. The Odor Defense technology breaks down built-in odors and layers of body soil which can lead to odor issues over time. To achieve the best results, add Wee Away Odor Rescue Laundry Booster to your wash along with your laundry detergent. This product will leave your fabrics clean and fresh.