They are mildly abrasive, removing plaque, and contain the CET Dual Enzyme System which is designed to inhibit plaque-forming bacteria. They do not need to be rinsed away after application and are safe to swallow. Mouth odours are quickly neutralised.
Different flavours are available that are well accepted by pets and in turn make brushing easier. Toothbrushing is the most effective method of removing plaque.