This advanced formulation for Hair, Skin and Nails includes: Vitamin C for normal collagen formation to support the normal function of the skin. Biotin for the maintenance of normal Hair and Skin. Zinc to support the maintenance of normal hair, skin and nails; Copper which helps with the maintenance of normal skin and hair pigmentation and Manganese for the normal formation of connective tissue. These nutrients are combined with Calcium, MSM, Aloe Vera, Kelp and Silica.