Our tooth cleaning varnish contains vitamin C, Alcamel thorn leaf extract, peppermint oil. It can effectively improve the teeth shine, show confidence smile. Nourish and strengthen teeth and build a protective layer. How to use it is simple: 1. First, make sure your teeth are clean and dry. 2. Apply the product lightly and thinly to each tooth, covering it evenly to avoid streaks. 3. Apply 1-3 times to each tooth, at least 10 seconds between each coat, to allow the tooth to dry. Long-term use, prevent pigmentation, easy to use, quick effect.