This tooth powder is hand-crafted for anyone looking for a natural alternative to conventional toothpastes. It is made of our seven-part synergistic blend of working natural ingredients for a safe, delicious, no-nonsense clean. It is vegan and paleo-friendly, and comes in a reusable, recylable steel tin with twist-off cap. The 4 oz size should last upwards of 550 brushings, or about 9 months for one person brushing 2x daily. How to use this stuff: Wet your toothbrush and tap off excess water. Lightly dip it into the tooth powder and brush as usual with the powder that sticks to your brush. (If you wish to keep moisture out of your tin, sprinkle a good pinch of powder onto the wet toothbrush instead.) To remove any extra “grit”, swish and rinse with water when you’re finished.