SK Filoche, K Soma, CH Sissons - Oral microbiology and …, 2005 - Wiley Online Library

… Combining chlorhexidine with essential oils, in particular with cinnamon, L. morrisonii, and

Listerine ® , and manuka oil at a lower level of inhibition, resulted in a substantial reduction in

the amount of chlorhexidine required to achieve the same level of growth inhibition …