Tooth & Gums Tonic is a Truly Natural professional strength, alcohol-free oral rinse formulated to reduce oral bacteria and refresh breath. The Truly Natural tonic contains precisely calculated proportions of pure essential oils and extracts of organically grown herbs that penetrate the mucous membrane resulting in greater potency and longer lasting effectiveness. Tooth & Gums Tonic is sold in brown container to protect the quality of the herbs. Even though Tooth & Gums Tonic is brown in color, it is non-staining.