iS Clinical Pro-Heal Serum Advance+

Pro-Heal Serum Advance + features a scientifically advanced L-Ascorbic Acid (Vitamin C), combined with a superior form of Olive Leaf Extract and pure Vitamins E and A. This powerful formulation significantly increases antioxidant protection while helping improve the appearance of compromised, blemish-prone, and aging skin. LKSS Tip: This is an excellent Vitamin C for those who have not previously used a Vitamin C serum or who have experienced sensitivity to products containing Vitamin C.  If this is the case, being by using once every three days and gradually increase use by a day every two weeks until skin has adjusted to daily use.