Just like facial skin, your lips lose collagen, elastin, and hyaluronic acid over time; however, unlike facial skin, they do not contain oil glands to help prevent the resulting fine lines. This means that you may experience a loss of lip color, definition, and contour as you age. The Skin Medica HA5 Smooth and Plump Lip System contains ingredients such as Benzyl Nicotinate and Glycine Soja (soybean) to combat this process. Benzyl Nicotinate causes a warm, tingling effect as it enhances your natural lip color, and Glycine Soja, or soybean, hydrates and conditions your skin. The result is immediate smoothing of fine lines and wrinkles, as well as restoration of the skin’s natural ability to replenish its own hyaluronic acid for overall skin health.