Sensodyne Repair & Protect Whitening Sensitive Toothpaste contains NovaMin technology, which seeks out and forms a tooth-like layer over vulnerable areas of the tooth where dentine is exposed. Sensodyne Repair & Protect Whitening Sensitive Toothpaste is a unique, clinically proven calcium formulation. It helps to repair vulnerable areas with the natural building blocks of teeth. It relieves painful sensitivity to help you enjoy life without worrying about the pain of sensitive teeth. Use twice a day, every day, to give strong repair and protect your teeth from sensitivity. Key features of Sensodyne Repair & Protect Whitening Sensitive Toothpaste: Contains Nova Min Technology Strengthens teeth Promotes healthy gums Use twice a day Helps to remove stains for whiter looking teeth