Brands looking to boost the functionality of their products are exploring the commercial possibilities of nanotechnology previously used in medical and scientific procedures. By using special enzymes in its new toothpaste, Swissdent has created a new method of tooth whitening, bringing biotechnology into the home. The enzymes push the whitening solution in the toothpaste into the smallest fissures on the tooth’s surface, ensuring total bleaching of the teeth. The uptake of nanotechnology means that it is increasingly finding its way into the home at an affordable price, making cosmetic and cleaning products more effective and less harmful to the environment.