Formulated to encapsulate malodors at the molecular level so you can eliminate bad smells at the source10Neutra-Scent itself has no fragrance at all, so it doesnt cover up smells like some other products. It completely eliminates them10Perfect and suitable for other types of smells such as smoke smells, spilled milk, and even litter boxes10Must spray directly into the affected area. Neutra-Scent must make direct contact with odor molecules in order to be effective10Reapply as needed