Also, the cheap … Also, the cheap plastic allows them to sell the product at a cheap price. This makes it so you can have a good product at an acceptable price for purchase. Even though it can taste bad (I rinse my mouth with water afterwards as well), it really works. So don’t give up, brush/floss better, and keep using the mouthwash. You’ll notice an extreme change in the sting (ie. there won’t be stinging at all). Sorry it tastes bad.