Colgate Plax Antibacterial Alcohol Free Fluoride Freshmint Mouthwash kills 99.9% of germs and provides 24/7 bad breath control when used twice daily. - Colgate Plax provides a cooling sensation that lasts 10x longer than brushing alone. - Use twice daily for a healthier, fresher mouth. - It works to further rid the mouth of bacteria that may linger on the tongue and inner cheeks, and helps stop new plaque from forming on and between teeth, as well as just below the gum-line. - Colgate Plax forms a protective barrier shield to neutralise the effects of bacteria and plaque for 12 hours.