Gluten free. Enamel safe. Stain fighter. With micro-polishing action to remove 6x more surface stains (vs. ordinary, non whitening toothpaste after 2 weeks of continued use). Contains clinically proven technology to safely remove surface stains for whiter teeth. It also helps prevent new stains from forming so teeth stay white longer. Enamel safe for daily use. www.colgate.com/savewater. www.colgateopticwhite.com. SmartLabel: App enabled. Save water. www.colgate.com/savewater. Made in Mexico.