A supplement that helps strengthen nails and hair that is dry or suffers from excessive sebum secretion. Indicated for regulating dandruff and hair loss. Also recommended for skin that lacks smoothness. The synergy of HairFortyl's ingredients helps maintain normal skin, nails, and hair. Zinc contributes to the maintenance of normal skin, nails, and hair. Vitamin B2 contributes to the maintenance of normal skin. Vitamin B8 (biotin) contributes to the maintenance of normal skin and hair. Vitamin B6 contributes to the normal synthesis of cysteine. Cysteine is an amino acid that is part of the structure of the skin and nails.