Colgate Sensitive Pro Relief Toothpaste is a Whitening Toothpaste with a cool and minty flavor that also works to reduce sensitivity. It cleans your mouth of plaque buildup while keeping your breath fresh. Whitening Plus Cool Mint Toothpaste comes in a 4 oz package. Colgate Whitening Toothpaste starts to work within two weeks building up a protective shield, which reduces sensitivity in the teeth. Colgate Sensitive Pro Relief Toothpaste eliminates the need for two products, since it reduces sensitivity and whitens in one.