mouthwash  is bad for general health .  Its all chemicals .. Avoid. 
.plus  kill the good bacteria  needed for health.

brush your teeth , scraps tongue is good enough.
do your research  to learn more.

i guess you need do your research . 

https://pmc.ncbi.nlm.nih.gov/articles/PMC7125030/

OVER-THE-COUNTER MOUTHWASH USE, NITRIC OXIDE AND HYPERTENSION RISK
study  says it cause  hbp  in this study

Google Ai say .

Mouthwash may also contain synthetic ingredients that have been linked to an increased risk of certain cancers. A 2016 study concluded that people who regularly use mouthwash may have a slightly elevated risk of head and neck cancers than people who never used mouthwash.4 Aug 2021
Diabetes risk increased by 55 percent
The scientists came to their intriguing findings by analyzing the data of 1,206 overweight or obese adults aged 40–65. All adults were part of the San Juan Overweight Adults Longitudinal Study, and they were free of diabetes and major cardiovascular diseases at study baseline.

As part of the study, participants were asked how often they used mouthwash. A total of 43 percent of the subjects said that they used mouthwash at least once daily, while 22 percent said that they used it at least twice daily.   
      https://www.medicalnewstoday.com/articles/3...d-by-55-percent