https://blogs.mercola.com:443/sites/vitalvotes/archive/2016/10/06/study-the-extensive-use-of-mouthwashes-for-oral-hygiene-is-not-safe.aspxA study pitting six essential oils from spice plants against synthetic oral cleansing and teeth whitening products like mouthwashes showed that the essential oils were the safest and most effective to use, according to Springerplus . Not only that, theenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)