Patients will love this foam fluoride because its light foam consistency feels and tastes better. You'll love it because the 1.23% Acidulated Phosphate Fluoride at 3.5pH formula provides comfort and efficacy, making the fluoride treatment easier, faster and more pleasant for patients. The abundant foam consistency provides excellent coverage for consistent and efficacious treatments. It remains in the fluoride applicator tray under bite pressure to eliminate patient gagging.