Nutritional Support for Hair Skin and Nails. Natural Factors Silica is derived from an aqueous solution of Horsetail. Horsetail extract contains many important elements found throughout the human body. Abundant in Silica Horsetail is an organic source of this essential mineral that supports hair skin connective tissue and nails.
Customer reviews for Natural Factors Silica from Horsetail Extract -- 500 mg - 90 Vegetarian Capsules