Developed by a family of dentists, WHITE BIRCH ACTIVATED WHITE CHARCOAL PROFESSIONAL TEET WHITENING TOOTHPASTE - Natural And Fluoride Free Oral Care - Fresh Mint - 4.2 oz. is a unique creamy SLS- Free formulation, our 4.2 oz tube on average will last 30 days. We at White Birch recommend a good inch-size strip of toothpaste on your brush and brushing at least 2 times a day; you'll immediately notice extra foaming action. Dentist Created - Dentist Approved Get the bright white smile you always wanted with the world’s first activated white charcoal whitening toothpaste. White Birch is safe and effective for everyday use. Other whitening toothpaste brands are too abrasive for daily use and can cause damage to your teeth. Using its advanced patented technology that converts abrasive and messy black charcoal into a gentle, white charcoal dental cleaning cream, White Birch Activated White Charcoal Whitening Toothpaste delivers more whitening power than traditional whitening toothpaste. Free of: Artificial dyes | SLS/sulfates | Artificial sweeteners/flavors | Microbead | Triclosan | Gluten | GMO