Colgate Optic White High Impact White whitening mouthwash contains 2% hydrogen peroxide to effectively whiten teeth by removing surface stains. This alcohol-free mouthwash (which does not contain ethanol) is available in a Sparkling Fresh Mint flavor to freshen breath while whitening teeth and contains White Seal technology to help prevent future stains. The mouthwash s action reaches hard-to-brush places helping to whiten teeth and freshen breath. For an extra white smile use after brushing with Colgate Optic White toothbrushes and toothpaste. This product is 8 fluid ounces and is made for adult use. A Teeth Whitening & Alcohol-Free Mouthwash Formulated with 2% hydrogen peroxide an ingredient also used by dental professionals Colgate® Optic White® Advanced Whitening Mouthwash provides teeth whitening by polishing away surface stains. The whitening rinse gives you enamel-safe teeth whitening that’s safe for daily use. This alcohol-free mouthwash doesn’t contain ethanol so there is no burn and the Icy Fresh Mint flavor helps freshen breath while whitening teeth