High Impact Formula Whitens Teeth: Contains Hydrogen Peroxide To Effectively Remove Stains And Whiten Teeth Freshens Breath: Features A Minty Flavor To Help Freshen Breath While Whitening Prevents Future Stains: Whiteseal Technology Helps Seal Out And Prevent New Stains From Forming Kills Bad Breath: Formulated To Kill Germs And Bacteria That Cause Bad Breath Alcohol-Free: Does Not Contain Ethanol, Making It Gentler On Breath Colgate Optic White High Impact White Whitening Mouthwash Contains 2% Hydrogen Peroxide To Effectively Whiten Teeth By Removing Surface Stains. This Alcohol-Free Mouthwash (Does Not Contain 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 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 Toothpastes