Other Information: Do not store above 77 degrees F (25 degrees C). Store bottle in the outer carton. Misc: Carbamide peroxide (10%). Non USP (pH differs from USP specifications). For minor mouth or gum irritations. Cleanses dental appliance irritations. Soothes canker sores. Kills odor-forming germs. Oxygen-rich microfoam action. Questions? 1-866-255-5202 weekdays. Note: Oversize package for ease in reading label information. Contains one bottle. Made in USA.