Silymarin CF antioxidant vitamin-c serum for daytime use is enriched with 15% pure vitamin C (L-ascorbic acid), 0.5% Ferulic Acid, 0.5% Salicylic Acid and 0.5% Silymarin to help reinforce skin’s natural protection from free radical damage and prevent oil oxidation which can lead to blemishes. . Also suitable for acne prone skin.