Powered by HP Complex, our whitening formulation of Hydrogen Peroxide, Colgate Optic White Renewal toothpaste removes 10 years of deep-set stains, for visibly whiter teeth*. This bulk toothpaste pack uses a clinically proven whitening formula that contains Hydrogen Peroxide, the same whitening ingredient used by dentists. For those who want to get visibly whiter teeth* with a toothpaste designed for no tooth sensitivity, this High Impact White toothpaste dissolves deep-set stains without weakening enamel. - Proven Whitening Formulas. Visible Results.* - Colgate Optic White Renewal is an anticavity fluoride toothpaste that whitens teeth with 3% hydrogen peroxide. Unlike most other whitening toothpastes** that only target surface stains, Colgate Optic White's dual-action whitening formula with HP Complex gently diffuses below the surface of teeth as a deep-set stain remover while micropolishers brush the surface clean. - High Impact White - With deep-oxygenating action, Colgate Optic White Renewal gently removes years of stains. This toothpaste dissolves deep-set stains without weakening enamel or causing sensitivity. - Enamel Safe for Daily Use - Colgate Optic White Renewal Toothpaste dissolves deep-set stains without weakening enamel. In fact, this High Impact White toothpaste with fluoride helps protect enamel during stain removal. Get visibly whiter teeth* without tooth sensitivity. *when brushing twice daily for 4 weeks **without hydrogen peroxide