The all natural pet repellent stain and odor remover prevents pets from revisiting and marking the same spot twice! When sprayed on previously marked areas, Nature?s Miracle No More Marking eliminates existing stains and odors leaving behind lemon grass and cinnamon scents. These scents repel and prevent dogs from returning to the area. Ideal to use when trying to break dogs? marking habits, No More Marking will repel dogs while eliminating tough, deep-set urine stains and odors.