Raylex Stop Nail Biting is an effective way to stop nail biting. This pen will change your bad habits and to gnaw your nails.

This stylus contains a solution with a bitter taste of Grapefruit peel, it contains also an unique combination of Citrus peel extracts and denatonium. The denatonium is a substance mentioned in the Guinness World Records Book as the most bitter in the world. The taste of Raylex will disctract you from the urge to continue biting your nails.