Donna Hair FORTE 4 Month Treatment course 120 Capsules4 month treatment with a balanced combination of amino acids, vitamins, minerals. Donna Hair FORTE contains nettle extract, brewer's yeast extract + biotin, which promotes healthy hair appearance and helps with breakage and splitting. Main features: contains a unique combination of amino acids and nettle extract vitamin A, biotin and zinc contribute to the maintenance of normal skin condition Zinc contributes to the maintenance of normal hair