Our Oligopeptide-1 Complex Serum contains palmitoyl pentapeptide-4, oligopeptide-1, and hyaluronic acid. It can stimulate skin tissue repair, strengthen the skin barrier, smooth fine lines and wrinkles, improve skin firmness, and moisturize the skin. Its use method is very simple: after cleansing, dry the face, take an appropriate amount of essence, evenly apply on the facial skin, and gently massage with your hand in circles to absorb it, daily use can achieve better results. Repair the skin, reduce moisture loss, reduce the appearance of fine lines, and tighten the skin.