The vitamin C contained in the formula contributes to the normal formation of collagen for the normal functioning of the skin. In addition, the zinc present also contributes to the maintenance of the skin, hair and nails in normal conditions which, combined with vitamin C, in turn contributes to the protection of cells against oxidative damage. All this thanks also to the synergies of collagen with lycopene, hyaluronic acid and Q10. Instructions for use: Take 1-2 capsules a day with water.