For most young people, a mouthwash is just for freshening their breath, but for Seniors, gum (periodontal) disease is an increasing problem as we age.
Marijuanamoment.net reports, “In a recent study out of Belgium, researchers reported that cannabinoid-infused mouthwash was just as effective at killing certain plaque-related oral bacteria as chlorhexidine, an active ingredient in many prescription mouthwashes.”
The study actually involved two different cannabinoids, one with CBD and another with CBG (cannabigerol), but neither contained the psychoactive THC.
See more here: https://www.newsweek.com/amplify/cbd-mouthwash-study-has-implications-far-beyond-word-mouth-especially-seniors