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. Provides advanced antioxidant protection from environmental aggressors Helps prevent oil oxidation that can lead to breakouts Reduces oiliness Minimizes pore appearance and refines skin texture Improves skin clarity, radiance, and uneven skin tone Improves the appearance of fine lines.

The measure of an antioxidant is not only its superior environmental protection, but its visible results. Silymarin CF clinical studies show a reduction in oiliness, refined skin texture, and an improvement in skin clarity, fine lines, and overall appearance. See Protocol Protocol: Average results shown. 

• A 12-week, single-center clinical study conducted on 50 women and men ages 18-50 with oily, blemish-prone skin (Brazil, 2020). Silymarin CF was applied once daily in conjunction with a sunscreen. 
• 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.

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