Enamel safe. Kills bad breath germs. With whiteseal technology. Actively whitens and seals our new stains (Whitens by removing surface stains & helping to prevent future stains). High impact white. Whiter teeth in 5 days with Optic White line (For whiter teeth in 5 days, use after brushing with Optic White Toothpaste and Optic White 360 degrees Toothbrush). Alcohol free. Freshens breath. Helps remove surface stains. 2% hydrogen peroxide formula whitens as it freshens. WhiteSeal technology forms a shield around teeth, to help seal out new stains. Does not contain ethanol. www.colgateopticwhite.com. Questions? 1-800-468-6502. Cap sealed with printed band. Made in USA.