Maxi Skin H&N Support is a comprehensive formula. It is a combination of vitamin A, hyaluronic acid, MSM, biotin, zinc, aloe vera, silica, and lactobacillus acidophilus. Hyamax is a standardized natural sodium hyaluronic acid. Hyaluronic acid and collagen support the skin’s layers and structure. It is the collagen that gives the skin its firmness but it is the Hyaluronic acid that nourishes and hydrates the collagen. The sulfur normally provided to the body by MSM supports healthy collagen and keratin, which are essential for healthy hair, skin, and nails. Lactobacillus acidophilus is added to our formula to help protect the balance of healthy bacteria in the gut, which benefits the distribution of timely nutrition to the skin, nail, and hair. There's more: Biotin supports hair growth. Aloe Vera supports Collagen Zinc is an important nutrient for bones and nails. Silica is concentrated in all connective tissue including nails, hair, and skin.