This stunning range of Zao nail polishes will meet all your needs and suit every style with a wide range of colours to choose from. From the classics to the dark sultry and the pastel shades to the nudes, you will find stunning colours that can be worn for every kind of occasion Naturally rich in organic silica, this nail hardener is extremely useful for fortifying the nail, it can be used to cure brittle nails and prevent splits. Apply one or two coats of nail polish, depending on the desired effect.