Arm & Hammer Whitening Booster 2.5 oz Easier, Faster & 2x More Whitening Agent then leading whitening strip* Add to any toothpaste every time you brush! Enamel-safe for everyday use Peroxide formula with patented liquid calcium Feel it working with unique foaming action. No messiness, no inconvenient extra strips. Contains peroxide, the same ingredient dentists use for whitening.
