Moisturising Serum For Nails. Nails That Are Very Dry, Too Hard And Brittle Are Often Due To External Drying Factors (Harsh Chemicals, Working With Frequent Contact With Water, Overexposure To Sun), But Also To Internal Factors (Age, Diet, Heredity). Mava-Flex Is A Well-Balanced Concentrate Based On Urea And Saccharides, Calcium, Lemon Essential Oil And Vitamin B5. It Is A Penetrating, Moisturizing And Fortifying Care. It Targets The Optimum Moisture Balance, To Restore And Maintain Its Flexibility To The Nail Plate. The Result: Healthy, Therefore Flexible, Shiny And Soft Nails, That Do Not Break Anymore.