ETHOS SEAWEED CALCIUM BASE may promote Flexibility and Suppleness of hard, dry and brittle nails. Derived from Red Alga Seaweed Extract, it contains essential trace elements such as Magnesium and Zinc that may assist to strengthen the keratin structures of the nail to increase flexibility and may restore suppleness to brittle nails. It is ideal as a nail ridge filler, with natural inorganic fillers, Silica and Mica leaving a smooth nail surface. For use on natural nails as a base or two coats on ridged nails for a smoothing treatment with a beautiful soft colour finish. A thin brush width may be applied under gel overlay.