Catrice Iron Power nail hardener strengthens and protects nails, making them more resistant and providing a shiny finish. The transparent texture is enriched with apricot kernel oil and hexanal, dries quickly and can also be used as a base under color polish. How to use: Before applying nail hardener, you should make sure your nails are free of grease. Then apply a coat of hardener and add a coat of nail polish if desired. For stronger long-term nails, you should repeat the treatment twice a week.
