Why does mouthwash recommend being used after brushing, when it has lower ppm fluoride than toothpaste?

Question

My Listerine mouthwash bottle directions says that for best results use twice a day after brushing. My toothpaste has 1450ppm fluoride, whereas the mouthwash is only 450ppm. Won’t using the mouthwash afterwards simply wash away the higher, more beneficial levels of toothpaste fluoride and replace it with lower mouthwash levels? What’s the reasoning for this advice?

In: Other

Answer 1

I think Listerine is more for bad breath, infections or sore throats. Cuz it’s antiseptic. I didn’t know it even had fluoride. For day to day I use the Crest anticavity fluoridey stuff after brushing