Zelens Melatonin B12 Advanced Repair Serum is infused with a powerful blend of restorative ingredients like Melatonin, Biomimetic Peptides, Hyaluronic Acid and Aloe Vera. This advanced repair serum provides skin with nutrient-rich moisture helping to lessen the appearance of fine lines, wrinkles, and signs of fatigue, so skin looks smoother and youthfully radiant.