Colgate Optic White Renewal is a teeth whitening toothpaste that contains 3% hydrogen peroxide, which is proven to deeply whiten beyond surface stains. It is enamel safe for daily use and users can expect 10x whiter teeth after 4 weeks of use compared to a fluoride toothpaste without hydrogen peroxide. The active ingredient in the toothpaste is Sodium Monofluorophosphate (0.76% (0.12% w/v Fluoride Ion)), which is an anticavity agent. The inactive ingredients include Propylene Glycol, Calcium Pyrophosphate, PVP, PEG/PPG-116/66 Copolymer, Flavor, and Sodium Lauryl Sulfate.
Positive reviews of the product on Amazon mention that it is effective in whitening teeth. Negative reviews mention that it is not as effective as expected.
