The present invention provides an oral care system comprising (a) a first composition comprising: (i) a peroxide-containing whitening agent; and (ii) at least one silicone polymer, and (b) a second composition comprising a polymer selected from polysaccharides, acrylate polymers, acrylamide polymers, and a mixture of any two or more thereof; wherein the first composition and the second composition are maintained separately from one another. The present invention also provides a method of whitening teeth using the oral care system.