SkinCeuticals Silymarin CF is an advanced vitamin C serum that helps prevent oil oxidation that can lead to breakouts and visible signs of aging. Formulated especially for oily and blemish-prone skin, this breakthrough formula combines 0. 5% silymarin (milk thistle extract), 15% l-ascorbic acid, 0. 5% ferulic acid and 0. 5% salicylic acid to deliver advanced environmental protection, as well as reduce oiliness, refine skin texture, and visibly improve skin clarity and fine lines. Key Ingredients: 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. Key Benefits: 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 Clinical Studies*: Clinically demonstrated to reduce oil oxidation by up to 76% Reduces skin oiliness by up to 16% in just one week *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. Note: Item must be shipped ground per federal law. | SkinCeuticals Silymarin CF, 1 fl. oz | Dermstore