Urticalcin has a number of uses as a herbal food supplement. Silicea, in combination with extracts of freshly harvested stinging nettle (Urtica dioica), helps to strengthen and improve the appearance and function of nails. Urticalcin may also be used to support healthy hair growth. Silicea is a substance most often associated with strong hair and nails and can be taken in the form of tablets or gels. It is found in Urticalcin, a combination of stinging nettle herb, silicea, calcium and sodium salts.