LISTERINE® Smart Rinse Mild Mint is a ZERO-ALCOHOL and SUGAR FREE formula which helps clean where brushing misses. LISTERINE® Smart Rinse Mild Mint: Contains fluoride which reduces cavities by up to 40% more than brushing alone, fights bad bacteria, a major cause of plaque and gum disease, goes around the whole mouth, reaching teeth, gums and tongue, and attracts and tints the bits that brushing misses, showing your child the proof in the sink.