Mavala MAVA Flex Serum Moisturiser 10ml is a well-balanced concentrate based on urea, saccharides and hyaluronic acid, calcium, lemon extract, and vitamin B5. It targets maintaining a good moisture balance, to restore and maintain the flexibility of the nail plate. It also helps reinforce the structure of nails, which are brittle or altered by drying products or external factors. Also ideal for toenails, which are generally quite hard.