Activated Mouthwash™ 12 Hour Fresh Breath + Advanced Germ Killing. Anti-Gingivitis. Anti-Plaque Fresh Mint Alcohol Free. SmartMouth Mouthwash contains two active ingredients that Must Be Mixed just before rinsing to provide the maximum release of zinc ions. Developed by Dr. Marvin Cohen, author of the bad breath section of the Encyclopedia Britannica, 1998 Medical Edition. Dentist Recommended. Effective for both common and chronic bad breath. Safe For Diabetics Will Not Stain Teeth, Fillings, or Dentures 2 Bottle S.