Rejuvenate and regenerate your skin with the intensive reparative iS Clinical Poly-Vitamin Serum. This skin serum ensures the delivery of a powerful combination of essential vitamins, bio-nutrients, and age-fighting antioxidants. The combination of ingredients like Hyaluronic Acid, Vitamins B3 and B5, and exfoliating sugar cane extract improve elasticity and soothe dryness as it soaks into the skin while hydrating, regenerating, and increasing microcirculation of the skin. An important function of this powerful formula is to deliver Vitamin B5 which is vital to all cells in the body.