Colgate Mw Optic Whte 16z Size 16z Colgate Mw Optic Whte 16z - Colgate Optic White Mouthwash is an alcohol-free, enamel-free whitening mouthwash that not only freshens breath but actively whitens teeth and seals in new stains. Its effective hydrogen peroxide formula helps remove surface stains and helps prevent new stains between brushes. For great whitening results, use this teeth whitening mouthwash with Colgate 360 ​​Optic White Toothbrush and Optic White Toothpaste. Colgate Optic White High Impact White Mouthwash contains 2% hydrogen peroxide to effectively whiten teeth by removing surface stains. This alcohol-free mouthwash (contains no ethanol) is available in a Sparkling Fresh Mint flavor to freshen breath while whitening teeth and contains Whiteseal technology to help prevent future stains. The action of the mouthwash 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.