Prevent breakouts and improve the appearance of aging skin with SkinCeuticals Silymarin CF. An oil-free Vitamin C serum formulated specifically for oily and blemish-prone skin types. Proven to deliver advanced environmental protection as well as improving the appearance of fine lines, discoloration, and uneven skin tone with the addition of salicylic acid to help treat and prevent breakouts. 0.5% silymarin (milk thistle extract), 15% l-ascorbic acid, 0.5% ferulic acid and 0.5% salicylic acid work harmoniously to visibly improve skin clarity.