Rigenforte Hair Nails is a dietary supplement with Biotinax, vitamins, minerals and amino acids, useful for damaged hair, nails and skin. Rigeforte capsules each contain 4 small tablets: 2 tablets of sulfur amino acids and minerals and 2 tablets based on sulfur amino acids and vitamins. The basic ingredient of all products in this line is - Biotinax - a patented formula from ESI based on biotin, methionine and cysteine. Biotin (vitamin H) is useful for maintaining healthy and strong hair. Methionine and cysteine ??are sulfur amino acids that make up the keratin structure of hair. Other ingredients: - Vitamin E and selenium: they act as antioxidants - Zinc: promotes hair and nail health - Copper: Provides maintenance of natural hair color - Pantothenic acid stops hair loss and stimulates its growth. - Folic acid participates in the synthesis of keratin, which is the basic building block of hair and nails. The use of Take one capsule of Rigenforte Hair Nails daily.