Silymarin CF is a powerful vitamin C triple antioxidant serum formulated specifically for oily and blemish-prone skin. SkinCeuticals research shows that specific combinations of antioxidants, when effectively formulated, perform synergistically to provide results superior to each single antioxidant formulation. The result of six years of research and development, this lightweight formula helps reduce oil oxidation, control excess sebum and improve the appearance of blemishes and signs of ageing. Silymarin CF contains 0.5% Silymarin, optimized concentration of milk thistle plant. 15% L-ascorbic acid (pure vitamin C antioxidant), 0.5% Ferulic acid, plant-based antioxidant and 0.5% Salicylic acid (Beta hydroxy acid). It provides environmental protection for oily, blemish-prone skin and fights against visible skin ageing.