Disclosed herein are tooth whitening compositions comprising a peroxide complex comprising hydrogen peroxide and an N-vinyl heterocyclic polymer sodium percarbonate and at least one hydrophobic polymer carrier, wherein the hydrogen peroxide of the peroxide complex is present in the tooth whitening composition in an amount ranging from about 3% to about 5% by weight. Further disclosed herein are methods for whitening a surface of a tooth comprising applying a tooth whitening composition as disclosed herein and methods for making a tooth whitening composition.