Other Information: This rinse is not intended to replace brushing or flossing. Store at 59 to 77 degrees F. Keep from freezing. Misc: 12 Hr Pro-Shield (Results improve with continued twice daily use. In some cases, antimicrobial rinses may cause surface staining to teeth. This is not permanent or harmful, and may be prevented by adequate brushing or removed at your next dental visit). Germ protection even after eating and drinking. Alcohol free. Does not contain ethanol. Gluten free. www.colgatetotal.com.