Naka Silica gel is an important component of collagen and connective tissue. Hubner Original Silicea is a mineral supplement derived from quartz crystals and provides 196mg of Silicic Acid per 15ml. Suspended in a colloidal preparation; Silica is absorbed quickly and easily. Used commonly throughout Germany for maintenance of youthful, healthy skin, hair and nails. Silicea Gel can be used externally for wrinkles, acne and blemishes or internally helping to replenish collagen supply and encourage skin elasticity. An excellent choice for those who are concerned with brittle nails, thin hair and prematurely aging skin.