Promotes radiant oral health Naturally whitens and brightens No Fluoride, SLS, Bentonite clay, Activated charcoal or chemicals of any kind Contains colloidal silver (15 ppm) Low abrasion formula, RDA value 49 Reduces harmful pH levels Made in USA FOR BEST RESULTS: temperature must be between 69-79 degrees Fahrenheit. If it firms up, run under warm water to soften.