A buildup of bacteria in your mouth can lead to bad things like gingivitis, tooth decay, sore throats and bad breath. No fun for anyone. The byebyebad™ Prebiotic Mouth Refresher is packed with antioxidant, antibacterial and anti-inflammatory goodness like Bioactive Totarol™, sweet fennel oil and peppermint oil, designed to kick bacteria in the butt and leave you with a fresh, clean, soothed mouth hole.