Pro-Heal Serum Advance Plus by iS Clinical for Unisex - 1 oz Serum. 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 and offers enhanced healing properties. A clinically proven formula, Pro-Heal Serum Advance+ is also excellent for treating rosacea, cystic acne, minor skin trauma, and some forms of dermatitis. Visibly reduces redness and inflammation Soothes contact dermatitis Reduces acne and rosacea