New in box unopened BioSil drops 30 ml For Skin, Hair and Nails Shipped Priority - Airmail With Tracking Number Collagen is essential for beautiful skin for healthy hair and nails and to improve joint flexibility. From the age of 21, collagen begins to decrease by about 1 per year. At the age of 30, the first negative effects appear. It is scientifically proven that BioSil helps the body to generate its own collagen with a personal DNA imprint. Choline stabilized orthosilicic acid ch OSA ? plays a crucial role in the release of silicon to the body's cells representing the major source of this 3rd most abundant microelement in the human body. Ch-OSA has been shown to influence the appearance of hair and nails as well as the degree of hydration and elasticity of the skin. Active ingredient per 10 drops: Silicon (ch-OSA: choline-stabilized orthosilicic acid) 10 mg. Choline (ch-OSA: choline-stabilized orthosilicic acid) 200 mg. ingredients: ch-OSA: choline-stabilized orthosilicic acid (choline chloride with 75 choline purified water, silicon), filler, glycerol. Administration method: 5 drops 2 times a day mix in glass of water or juice is administered immediately. Presentation: 30 ml