Our toothpaste is all natural and comes in a 4 oz jar. We use baking soda for a deep clean, charcoal powder for whitening and coconut oil to strengthen enamel. Charcoal toothpaste can lift harsh nicotine and coffee stains. Coconut oil can help with sensitivity. Our Spearmint flavoring leaves a crisp, fresh clean feeling. Just add a dabble to a toothbrush and brush as normal 2-3 times a week. Our 4oz jars typically last approximately 6 months when used as recommended.