MAVALA Scientifique (original) Nail HardenerAs we know that the tip of the nail is the most fragile, easily damages, and unprotected part of the nail. That is why this part of the nail needs special treatment to be strengthened. Mavalas Nail Scientufique is specially formulated to mend soft, flaky, splitting, brittle nails into healthy hard nails. By instantly penetrating and hardening the nail it returns the them to the natural and healthy growth.