Beaphar Cat Litter Deodoriser traps urine and destroys the smells that arise from used cat litter. It contains a blend of friendly bacteria that eat the urine and the process is so fast that there is only a minimal amount of purfume needed in the product. THis is a great benefit because cats don't like strong smells and thus will be detered from using the product. In fact 1 application will double the life of your cat litter. Simple to use and the product is completely biodegradable, pH neutral and totally safe.