For skin and hair People with beautiful skin and shiny hair attract positive attention. These features are not only an indicator of external health, but also of inner well-being. This is how you literally feel comfortable in your own skin! 400 mg silica - contains natural silicon Biotin contributes to the maintenance of normal skin and hair. 2.5 mg of zinc supports the maintenance of normal skin, hair and nails. Plus calcium, magnesium and copper