- 4-in-1 Serum for intensive care of damaged, fragile, or yellowish nails - Natural formula enriched with Tea Tree and plant oils, free from alcohol and sulfates - Smooths the surface, reduces dull appearance, and evens out nail thickness - Visible results from the first day, no filing needed - Precise and easy application with brush, over 300 applications per bottle - Ideal for daily routine on hands and feet - Developed by expert podiatrists and manufactured in Switzerland, guarantees professional quality and effectiveness - Provides a cleaner, smoother, and healthier appearance to nails from the first application