While 'Zum' is a made-up word, indigo wildertop cleaner eucalyptus-citrus uses ingredients that are not. Made with alcohol, pure essential oils and saponified coconut oil, this cleaner is ready and able to clean everything from icky to sticky. Use on counters, in fridges, on walls and on tables. Will not streak, even on glass. Contains no VOCS, ammonia, bleach or artificial acids.