Colgate enamel health whitening's unique formula strengthens and smoothes weakened enamel to make it healthier. As it replenishes and polishes, it gently whitens teeth, while fighting cavities and freshening breath. Colgate Enamel Health Whitening's unique formula strengthens and smoothes weakened enamel to make it healthier. As it replenishes and polishes, it gently whitens teeth, while fighting cavities and freshening breath.Helps replenish natural calcium to strengthen enamelGently polishes so germs are less likely to stickWhitensFreshens breathProvides cavity protection.