500-mL of Listerine Fresh burst Antiseptic Mouthwash for bad breath, plaque & gingivitis. Oral care formula kills 99.9% of germs that cause bad breath, plaque and gingivitis. The spearmint flavor of this antiseptic mouthwash leaves your mouth feeling clean and refreshed. With approximately 12 days, this 500-mL bottle provides continuous, effective oral care. Antiseptic mouthwash with refreshing spearmint flavor offers 24-hour protection against germs. Clinically shown to reduce more plaque and gingivitis than brushing and flossing alone. Germ-killing mouthwash from the #1 dentist recommended brand of over the counter mouthwashes. Rinse with mouthwash for 30 seconds twice a day to achieve maximum results and for fresh breath With twice-daily use.