- Sodium Tripolyphosphate (food additive)
- Tetrapotassium Pyrophosphate (food additive)
- Sodium Bicarbonate
- Citric Acid
- Additional Active Ingredient: Sodium Fluoride (.04%)
While all ingredients are food grade, persons allergic to any of these ingredients should not use Periogen®. If sensitivity, redness, or rash develops following use, discontinue use immediately and if necessary seek medical help.