Mavala Mavastrong is a fortifying and protective base coat for nails. This specialized nail treatment is designed to strengthen and protect nail surfaces while serving as a foundation for nail polish application. This product appears to be part of Mavala's nail care line and comes in a 10ml bottle with an application brush. As a base coat, it should be applied directly to clean nails before nail polish. The product is manufactured by Mavala Switzerland, a company known for specialized nail care treatments.