Hair-vit® has been carefully formulated to supplement your healthy diet with essential Vitamins and nutrients to uplift hair health. Hair-vit® capsules contain L-Cysteine and Methionine, which assist in the production of Keratin. Keratin is a natural protein than gives hair its strength and shine. Zinc helps promote hair growth and repair as well as regulating the production of oil around the hair follicles, providing the shine and glow of healthy hair.