Silicea - for healthy skin and hair, strong nails, and to help maintain healthy connective tissue. What is Original Silicea? Silicea is a pure mineral substance - without any additives. It contains silica, one of the body\'s essential nutrients, which is used in all connective tissue. Original Silicea contains silica in a form that can eaily be taken up by the body and be used to maintain healthy connective tissue. Why should I take original Silicea, what is it good for? body uses up silica on a daily basis, as flakes of skin, hair and nails are discarded. Original Silicea is a food supplement that can help maintain healthy skin, hair and strong nails, and so help prevent signs of ageing and keep the hair, skin and nails beautiful. Silica can also play a role in the maintenance of healthy muscles and bones.