Colgate Plax Soft Mint Mint mouthwash fights bacteria in the oral cavity, prevents plaque and provides incredible freshness. Why use Colgate Plax Soft Mint mouthwash? refreshes the oral cavity up to 10 times more than cleaning teeth, prevents bad breath, destroys up to 99% of bacteria, does not contain alcohol, tastes incredibly fresh. How to properly use Colgate mouthwash? Use it at least twice a day.