Blu Essentials introduces a revolutionary Hyaluronic Acid Serum. The serum replenishes the skin while also giving a glow and skin polishing. Hyaluronic acid, also known as hyaluronan, is a clear, gooey substance that is naturally produced by the body. The largest amounts of it are found in the skin, connective tissue and eyes. Its main function is to retain water to keep the tissues well-lubricated and moist. Hyaluronic acid serum can help the skin look and feel more supple, it can reduce wrinkles, redness and dermatitis.