12 hour fresh breath. Powered by zinc. 2-bottle, 2-pump mouthwash. Safe for diabetics. Will not stain teeth, fillings, or dentures. Indications: SmartMouth Mouthwash eliminates and prevents bad breath for 12 hours after each rinse. Rinse in the morning for fresh breath all day - rinse at night and wake up with fresh breath. Effective for both common and chronic bad breath. Developed by Dr. Marvin Cohen, author of the bad breath section of the Encyclopedia Britannica, 1998 Medical Edition. Dentist recommended. SmartMouth Mouthwash contains two active ingredients that must be mixed just before rinsing to provide the maximum release of zinc ions. Alcohol free. Made in USA.