Colgate Sensitive Pro Relief Whitening Toothpaste gives you rapid and lasting sensitivity relief *. It also gently and effectively helps to remove stains on teeth** to give you naturally whiten teeth. Colgate Sensitive Pro Relief with Pro-Argin™, innovation for oral care form Colgate, gives you rapid and lasting sensitivity relief* (once apply direction on sensitive tooth). It builds a long lasting protective barrier against sensitivity*. *According to a clinical study in 75 volunteers age 25 - 56 years in India Jun - Jul 2009 by Colgate-Palmolive USA, when use regularly** Extrinsic stains when brushing with regular usage