Essential oils inhibit biofilm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3346404/#!po=32.9268
Scientific study validating the use of some essential oil and various combinations to eradicate and pierce cell walls of particularly tough biofilms and down right destroying some bacteria; like staphylococcus. The potential for greater use in the future for organic methods of. Disenfecting areas, is promising. More research is needed.