Horsetail Grass is an excellent source of soluble vegetal silica. It is diuretic, astringent, healing, and combines well with Comfrey for skin disorders. Used for putrid wounds, gangrenous ulcers, and external bleeding. Will add strength and sheen to hair. Can be added to shampoos and conditioners. Horsetail Grass is used medically to treat various urinary disorders and poultices of Horsetail Grass have been used to help the healing of wounds.