Pro-Heal Serum Advance+ features our 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. Apply 3-4 drops to the palm of hand. Using fingertips, dab and smooth evenly over face and neck.