Nails that are very dry, too hard and brittle are often due to external drying factors (harsh chemicals, 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, saccharides and hyaluronic acid, calcium, lemon extract and vitamin B5. It targets maintain a good moisture balance, to restore and maintain its flexibility to the nail plate. It also helps reinforce structure of nails, which are brittle or altered by drying products or external factors. Also ideal for toenails, that are generally quite hard.