Colgate Optic White Mouthwash contains 2% hydrogen peroxide to effectively whiten teeth by removing surface stains. This alcohol-free solution (does not contain ethanol) is available in Icy Fresh Mint to freshen breath while whitening teeth and contains Whiteseal 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 toothbrush and anticavity toothpaste.