Fast & easy results! Clinically proven to whiten in just 1 week (when used as directed). Use with fluoride toothpaste to strengthen enamel. The standard of purity. Feel it working with unique foaming action. No messiness, no inconvenient extra steps. Contains peroxide, the same ingredient dentists use for whitening. For best results: store cap down. Whitening Booster is not an anticavity fluoride toothpaste. Should not be used alone. Must be used in combination with toothpaste. www.myoralcare.com. Questions? Call 1-800-786-5135 Mon-Fri, 9am-5pm ET. For a Radiant Smile, try the Truly Radiant Oral Care System, Only from Arm & Hammer. Made in USA.