Phyto-C Vitamin C contains 15% L-ascorbic acid to help stimulate collagen production and prevent premature signs of aging around delicate face area. Besides improving skin tone and elasticity, Phyto-C Vitamin C brightens skin that is damaged by photoaging. Properties: Antioxidant Suitable for normal skin. Active Ingredients: L-Ascorbic Acid Zinc Sulfate Sodium Hyaluronate Citrus Bioflavonoids Phenoxyethanol Caution: You may experience a slight tingling sensation when using this product. This sensation is normal and will diminish with time.