Pro-Heal Serum features an advanced form of vitamin C called L-ascorbic acid expertly blended with olive leaf extract and pure vitamins E and A. This unique formula addresses pre-existing signs of aging as it protects skin from ongoing environmental damage. This serum is especially effective at calming redness-prone and acne-prone skin as it addresses aging concerns. And some of the best news: all of this is achieved without parabens!