The colorless varnish contains a bitter substance that is safe and has been tested for toxicology. The preparation is enriched with film-forming resins, which additionally strengthen the nail plates. With regular use, it helps to get rid of a bad habit.
Apply 1-2 coats of varnish on clean and dry nails. Let it dry. It works immediately and its bitter taste lasts for 2 days. Repeat the action regularly until the desired effect is achieved.