I brush my teeth several times a day (and always have)! I use the Tooth & Gum Formula (liquid) mostly...and sometimes I still just HAVE to have that peppermint taste-thing, so even though it has glycerine, I occasionally use Jason's (no fluoride...EVER).
Read through this...curezone.com/forums/fm.asp ...and you'll understand how BOTH formulas work and how beneficial they are to teeth and gums. By the way, both formula last FOREVER - they're a HUGE savings over toothpaste.