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. For external use only. Avoid direct contact with eyes. Store in a dark and cool place. Note: The Vitamin C will oxidize and darken with time. This oxidation is natural and will not significantly alter the efficacy of this product.