Safe 4 eliminates all offensive smells, strong animal & pet odours, including male cat odours, tobacco, urine, etc. A blend of organic oils that break down the molecules that cause the smell rather than merely cover up one smell with another. Safe 4 Benefits: Non-toxic. Non-staining. Non-tainting. Non-corrosive. Non-irritant. Biodegradable. Does not contain Phenols or Aldehydes Applications: Patients, bathrooms, kitchens, drains, sewers, carpets, bedding, fabric (patch test first), pets, worktops & sinks, feed bowls & containers, bedding, pens, kennels, cages, quarantine & isolation areas.