This innovative and vegan nail polish range strengthens the nails with the help of powerful minerals. The mineral complex contains zinc, magnesium, silicon, iron and copper. 82 percent of consumers confirm harder and less breaking nails in just one week!* How to use: Apply two thin layers, remove them gently after three to four days and apply again. Repeat this treatment for a period of at least one week. *Self-evaluation by 50 women. Usage twice a week.