Phosphoric acid is a weak acid derived from phosphate minerals.

Our Stewardship Model guides us to select ingredients which have been processed in a manner that supports our philosophy of human and environmental health.

Phosphoric acid is produced from phosphate rock reacted with sulfuric acid. The phosphoric acid is then purified for use in our products.

For anticaries mouthwash products, with acidulated phosphate fluoride solution, sodium phosphate or disodium phosphate, and phosphoric acid are required in conjunction with Sodium Fluoride per the Anticaries Drug Products for Over-the-Counter Human Use, Final Monograph.1 Tom’s offers both fluoride and fluoride free mouthwash options.

Phosphoric Acid is Generally Recognized as Safe (GRAS) by the FDA to be used as a food substance for human consumption.2

Tom’s of Maine recognizes that no two people are alike, and even with naturally derived ingredients, some individuals may develop an allergic reaction that is unique to them. As with any product, be sure to discontinue use if you experience discomfort or other indications that the product may not be appropriate for your individual body chemistry.

1 21 CFR 355.10
2 21 CFR 182.1788