KS ODOR’STOP is a deodorant that blocks the bad smelling odours that arise from feces and urine. A non-smelling natural spray that works by blocking the proliferation of bacteria, thus eliminating those bad odours.KS ODOR’STOP is not noxious and dermocompatible. Instructions for use: To neutralise the unpleasant smells that come from feces + urine spray KS ODOR’STOP directly on the area. For a preventive action: Spray on contents of the freshly cleaned litter of the cattray.