Peridex is supplied as a blue liquid in 4-ounce ... ≥18yrs: Start after dental prophylaxis. Rinse with 15mL (undiluted) twice daily (AM & PM) for 30 seconds after brushing teeth; expectorate.

"Many people think it's good to gargle with mouthwash solutions, but that doesn't achieve much," says Zimmer. Instead of working in the throat, the solution should work on the teeth, which is why you ...