Another reason why I kept the same toothpaste brand is that I've never had a single cavity in my adult teeth while my siblings have had plenty (they used a different brand than me). Not sure if it's credited to the toothpaste or just if it's because I never flush my mouth with water after brushing - they still do that to this day.
Same problem for me, constant canker sores. Switching to Hello hasn't totally eliminated them, but it has reduced them.
Also Native has one too.
The article is here:
https://www.researchgate.net/publication/376202105_The_effec...
In regards to benefits, peroxide based mouthwashes do have similar lysing effect but less drying effect - and this has been known for ~ a decade; and fluoride mouthwashes should actually activate the salivary glands, in addition to lysing. But, one could speculate that peroxide based mouthwashes would have a similar result to alcohol based in this study based on what we know about wound care (that peroxides kill both the bad and good bacteria)
Alcohol is suspected to be carcinogenic.
https://drugfree.org/drug-and-alcohol-news/australian-study-...
https://www.medicalnewstoday.com/articles/alcohol-based-mout...