18 FL OZ. (532ml) Tooth & Gum Tonic concentrate. You only need to use a very small amount to rinse and garggle for 4 - 5 minutes. Natural ingredients, alcohol-free, made without chemicals. Can use A.M. and P.M., or once/day. HERBS & ESSENTIAL OILS mixture which work synergistically to maintain healthy teeth and gums and freshen breath. Formulated to reduce oral bacteria.