Isntree Ultra Low Molecular Hyaluronic Acid Serum is developed to deliver deep and long-lasting hydration – from the skin’s surface to its deepest layers. With 8 types of hyaluronic acid in different molecular weights, this serum hydrates up to 14 layers of skin while preventing dehydration and strengthening the skin’s natural barrier.Bruk:Take 2-3 drops of the serum on your palm and apply it on your face. Pat the product gently into the skin until absorbed. Isntree Ultra-Low Molecular Hyaluronic Acid Serum 50 ml