The micronutrients of HAIRNAIL & SKIN FORMULA that contribute to the maintenance of the normal condition of hair are zinc, selenium and biotin, of nails selenium and zinc, while of skin biotin and zinc*.
The composition is enriched with the amino acids proline, cysteine, lysine, as well as MSM and vitamins B5, E.
*The above are official health claims from the European Food Safety Authority (EFSA).