Some scientists have raised concerns that daily use of Listerine mouthwash 'could increase ... in Belgium investigated the daily use of the Cool Mint flavour mouthwash in a recent study.

a medication that prevents HIV—and who used either Listerine Cool Mint or a placebo mouthwash for three months. The original ...

The 59 participants used Listerine Cool Mint mouthwash every day for three months and another three months of a placebo rinse. Listerine may not directly cause bacterial proliferation Some might ...