Swish with the boldness of Listerine Fresh Burst Mouthwash. Fresh burst Listerine Mouthwash is an effective solution to bad breath, plaque, tooth decay and gum problems, giving you fresh breath and a ton of confidence. A 30-second rinse with Fresh burst Listerine Mouthwash during morning and night-time routines ensures 24-hour protection against germs that cause plaque and gum problems.