Mouthwashes have an advantage over toothbrushes: if they work, they can also work where the scrubbing brush cannot reach. Stiftung Warentest tested 20 mouthwash solutions, including three products for children. We tested both expensive branded products and inexpensive commercial brands...

Mouthwashes are a useful addition to dental care in the event of an increased risk of tooth decay and acute gum inflammation. We can recommend more than half of them, including all natural cosmetic products. However, three brands, including Listerine, are out of the running due to critical ingredients.