What are the good ingredients contained in the serum that is helpful to the skin? -Vitamin C Concentrate: pure Vitamin C will energize and moisturize your skin. - Ingredients: Water, Propylen Glycol, Ascorbic Acid(5%, Hydroxyethylcellulose, Centella Asiatica Extract, Citrus Junos Fruit Extract, Illicium Verum(Anise) Fruit Extract, Citrus Paradisi(G..