bodyFood Dental one drop dental oil solution is made of 100% pure, natural botanical extracts that keep your teeth incredibly clean. In fact, you may not know what clean teeth really feel like until you start using this product. Peppermint makes this serum super fresh and tingly! This 15ml bottle will last one person 8-9 months based on brushing your teeth twice a day. Great for couples to share if they want to try out the product, you save extra $ on this size as it’s 3x the size of the 5ml.