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Silymarin CF is a breakthrough vitamin C serum for oily and blemish-prone skin that combines 0.5% silymarin (milk thistle extract), 15% l-ascorbic acid, 0.5% ferulic acid and 0.5% salicylic acid to help prevent oil oxidation that can lead to breakouts, and visible signs of aging. This oil-free formula is clinically demonstrated to reduce oil oxidation by up to 76%, as well as reduce oiliness, refine skin texture, and visibly improve skin clarity and fine lines.
Growing research shows a causative link between oil oxidation and the formation of blemishes. When skin’s oils oxidize, this specific type of free radical damage can cause a cycle of inflammation and bacteria that is linked to blemish formation. Daily environmental aggressors like sun and pollution can generate free radicals that further oxidize skin oils.
Silymarin CF is clinically demonstrated to reduce oil oxidation by up to 76%.
This combination antioxidant serum is formulated under the Duke Antioxidant patent. Vitamin C is a highly potent antioxidant that by its structure has difficulty being effectively absorbed by skin. The Duke Antioxidant patent outlines the formulation parameters required for effective delivery of vitamin C to skin: 1) pure l-ascorbic acid (vitamin c); 2) an acidic pH within the 2.0-3.5 pH range and; 3) a concentration between 10-20%. SkinCeuticals is the only brand to formulate antioxidants according to these parameters.
15% L-ascorbic Acid: Lauded for its superior antioxidant benefits, this highly potent form of pure vitamin C helps neutralize free radicals and protect against oxidative stress while providing visible anti-aging benefits.
0.5% Silymarin: Powerful plant-based antioxidant derived from milk thistle that helps prevent oil oxidation and provides antioxidant protection against free radicals.
0.5% Ferulic Acid: A plant-based antioxidant, ferulic acid neutralizes free radicals and enhances the antioxidant benefits and stability of vitamin C.
0.5% Salicylic Acid: A beta-hydroxy acid provides effective exfoliation, refines pores, and helps reduce the formation of blemishes.